1381221120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:379

約数の個数: 288

約数和(自身を含む): 4681119744

約数和(自身を除く): 3299898624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 64, 80, 82, 93, 96, 120, 123, 124, 128, 155, 160, 164, 186, 192, 205, 240, 246, 248, 256, 283, 310, 320, 328, 372, 384, 410, 465, 480, 492, 496, 566, 615, 620, 640, 656, 744, 768, 820, 849, 930, 960, 984, 992, 1132, 1230, 1240, 1271, 1280, 1312, 1415, 1488, 1640, 1698, 1860, 1920, 1968, 1984, 2264, 2460, 2480, 2542, 2624, 2830, 2976, 3280, 3396, 3720, 3813, 3840, 3936, 3968, 4245, 4528, 4920, 4960, 5084, 5248, 5660, 5952, 6355, 6560, 6792, 7440, 7626, 7872, 7936, 8490, 8773, 9056, 9840, 9920, 10168, 10496, 11320, 11603, 11904, 12710, 13120, 13584, 14880, 15252, 15744, 16980, 17546, 18112, 19065, 19680, 19840, 20336, 22640, 23206, 23808, 25420, 26240, 26319, 27168, 29760, 30504, 31488, 33960, 34809, 35092, 36224, 38130, 39360, 39680, 40672, 43865, 45280, 46412, 50840, 52480, 52638, 54336, 58015, 59520, 61008, 67920, 69618, 70184, 72448, 76260, 78720, 81344, 87730, 90560, 92824, 101680, 105276, 108672, 116030, 119040, 122016, 131595, 135840, 139236, 140368, 152520, 157440, 162688, 174045, 175460, 181120, 185648, 203360, 210552, 217344, 232060, 244032, 263190, 271680, 278472, 280736, 305040, 325376, 348090, 350920, 359693, 362240, 371296, 406720, 421104, 464120, 488064, 526380, 543360, 556944, 561472, 610080, 696180, 701840, 719386, 742592, 813440, 842208, 928240, 976128, 1052760, 1079079, 1086720, 1113888, 1122944, 1220160, 1392360, 1403680, 1438772, 1485184, 1626880, 1684416, 1798465, 1856480, 2105520, 2158158, 2227776, 2245888, 2440320, 2784720, 2807360, 2877544, 2970368, 3368832, 3596930, 3712960, 4211040, 4316316, 4455552, 4880640, 5395395, 5569440, 5614720, 5755088, 6737664, 7193860, 7425920, 8422080, 8632632, 8911104, 10790790, 11138880, 11229440, 11510176, 14387720, 14851840, 16844160, 17265264, 21581580, 22277760, 23020352, 28775440, 33688320, 34530528, 43163160, 44555520, 46040704, 57550880, 69061056, 86326320, 92081408, 115101760, 138122112, 172652640, 230203520, 276244224, 345305280, 460407040, 690610560, 1381221120]

約数ペア:

[(1, 1381221120), (2, 690610560), (3, 460407040), (4, 345305280), (5, 276244224), (6, 230203520), (8, 172652640), (10, 138122112), (12, 115101760), (15, 92081408), (16, 86326320), (20, 69061056), (24, 57550880), (30, 46040704), (31, 44555520), (32, 43163160), (40, 34530528), (41, 33688320), (48, 28775440), (60, 23020352), (62, 22277760), (64, 21581580), (80, 17265264), (82, 16844160), (93, 14851840), (96, 14387720), (120, 11510176), (123, 11229440), (124, 11138880), (128, 10790790), (155, 8911104), (160, 8632632), (164, 8422080), (186, 7425920), (192, 7193860), (205, 6737664), (240, 5755088), (246, 5614720), (248, 5569440), (256, 5395395), (283, 4880640), (310, 4455552), (320, 4316316), (328, 4211040), (372, 3712960), (384, 3596930), (410, 3368832), (465, 2970368), (480, 2877544), (492, 2807360), (496, 2784720), (566, 2440320), (615, 2245888), (620, 2227776), (640, 2158158), (656, 2105520), (744, 1856480), (768, 1798465), (820, 1684416), (849, 1626880), (930, 1485184), (960, 1438772), (984, 1403680), (992, 1392360), (1132, 1220160), (1230, 1122944), (1240, 1113888), (1271, 1086720), (1280, 1079079), (1312, 1052760), (1415, 976128), (1488, 928240), (1640, 842208), (1698, 813440), (1860, 742592), (1920, 719386), (1968, 701840), (1984, 696180), (2264, 610080), (2460, 561472), (2480, 556944), (2542, 543360), (2624, 526380), (2830, 488064), (2976, 464120), (3280, 421104), (3396, 406720), (3720, 371296), (3813, 362240), (3840, 359693), (3936, 350920), (3968, 348090), (4245, 325376), (4528, 305040), (4920, 280736), (4960, 278472), (5084, 271680), (5248, 263190), (5660, 244032), (5952, 232060), (6355, 217344), (6560, 210552), (6792, 203360), (7440, 185648), (7626, 181120), (7872, 175460), (7936, 174045), (8490, 162688), (8773, 157440), (9056, 152520), (9840, 140368), (9920, 139236), (10168, 135840), (10496, 131595), (11320, 122016), (11603, 119040), (11904, 116030), (12710, 108672), (13120, 105276), (13584, 101680), (14880, 92824), (15252, 90560), (15744, 87730), (16980, 81344), (17546, 78720), (18112, 76260), (19065, 72448), (19680, 70184), (19840, 69618), (20336, 67920), (22640, 61008), (23206, 59520), (23808, 58015), (25420, 54336), (26240, 52638), (26319, 52480), (27168, 50840), (29760, 46412), (30504, 45280), (31488, 43865), (33960, 40672), (34809, 39680), (35092, 39360), (36224, 38130)]