1248720720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1870

約数の個数: 240

約数和(自身を含む): 4440733632

約数和(自身を除く): 3192012912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 169, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 338, 340, 390, 408, 442, 507, 510, 520, 624, 663, 676, 680, 780, 816, 845, 884, 1014, 1020, 1040, 1105, 1326, 1352, 1360, 1560, 1690, 1768, 1811, 2028, 2040, 2210, 2535, 2652, 2704, 2873, 3120, 3315, 3380, 3536, 3622, 4056, 4080, 4420, 5070, 5304, 5433, 5746, 6630, 6760, 7244, 8112, 8619, 8840, 9055, 10140, 10608, 10866, 11492, 13260, 13520, 14365, 14488, 17238, 17680, 18110, 20280, 21732, 22984, 23543, 26520, 27165, 28730, 28976, 30787, 34476, 36220, 40560, 43095, 43464, 45968, 47086, 53040, 54330, 57460, 61574, 68952, 70629, 72440, 86190, 86928, 92361, 94172, 108660, 114920, 117715, 123148, 137904, 141258, 144880, 153935, 172380, 184722, 188344, 217320, 229840, 235430, 246296, 282516, 306059, 307870, 344760, 353145, 369444, 376688, 400231, 434640, 461805, 470860, 492592, 565032, 612118, 615740, 689520, 706290, 738888, 800462, 918177, 923610, 941720, 1130064, 1200693, 1224236, 1231480, 1412580, 1477776, 1530295, 1600924, 1836354, 1847220, 1883440, 2001155, 2401386, 2448472, 2462960, 2825160, 3060590, 3201848, 3672708, 3694440, 4002310, 4590885, 4802772, 4896944, 5203003, 5650320, 6003465, 6121180, 6403696, 7345416, 7388880, 8004620, 9181770, 9605544, 10406006, 12006930, 12242360, 14690832, 15609009, 16009240, 18363540, 19211088, 20812012, 24013860, 24484720, 26015015, 31218018, 32018480, 36727080, 41624024, 48027720, 52030030, 62436036, 73454160, 78045045, 83248048, 96055440, 104060060, 124872072, 156090090, 208120120, 249744144, 312180180, 416240240, 624360360, 1248720720]

約数ペア:

[(1, 1248720720), (2, 624360360), (3, 416240240), (4, 312180180), (5, 249744144), (6, 208120120), (8, 156090090), (10, 124872072), (12, 104060060), (13, 96055440), (15, 83248048), (16, 78045045), (17, 73454160), (20, 62436036), (24, 52030030), (26, 48027720), (30, 41624024), (34, 36727080), (39, 32018480), (40, 31218018), (48, 26015015), (51, 24484720), (52, 24013860), (60, 20812012), (65, 19211088), (68, 18363540), (78, 16009240), (80, 15609009), (85, 14690832), (102, 12242360), (104, 12006930), (120, 10406006), (130, 9605544), (136, 9181770), (156, 8004620), (169, 7388880), (170, 7345416), (195, 6403696), (204, 6121180), (208, 6003465), (221, 5650320), (240, 5203003), (255, 4896944), (260, 4802772), (272, 4590885), (312, 4002310), (338, 3694440), (340, 3672708), (390, 3201848), (408, 3060590), (442, 2825160), (507, 2462960), (510, 2448472), (520, 2401386), (624, 2001155), (663, 1883440), (676, 1847220), (680, 1836354), (780, 1600924), (816, 1530295), (845, 1477776), (884, 1412580), (1014, 1231480), (1020, 1224236), (1040, 1200693), (1105, 1130064), (1326, 941720), (1352, 923610), (1360, 918177), (1560, 800462), (1690, 738888), (1768, 706290), (1811, 689520), (2028, 615740), (2040, 612118), (2210, 565032), (2535, 492592), (2652, 470860), (2704, 461805), (2873, 434640), (3120, 400231), (3315, 376688), (3380, 369444), (3536, 353145), (3622, 344760), (4056, 307870), (4080, 306059), (4420, 282516), (5070, 246296), (5304, 235430), (5433, 229840), (5746, 217320), (6630, 188344), (6760, 184722), (7244, 172380), (8112, 153935), (8619, 144880), (8840, 141258), (9055, 137904), (10140, 123148), (10608, 117715), (10866, 114920), (11492, 108660), (13260, 94172), (13520, 92361), (14365, 86928), (14488, 86190), (17238, 72440), (17680, 70629), (18110, 68952), (20280, 61574), (21732, 57460), (22984, 54330), (23543, 53040), (26520, 47086), (27165, 45968), (28730, 43464), (28976, 43095), (30787, 40560), (34476, 36220)]