320768640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1024

約数の個数: 256

約数和(自身を含む): 1197072000

約数和(自身を除く): 876303360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 977, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 1954, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 2931, 3040, 3420, 3456, 3648, 3908, 4104, 4320, 4560, 4885, 5130, 5472, 5760, 5862, 6080, 6840, 7296, 7816, 8208, 8640, 8793, 9120, 9770, 10260, 10944, 11724, 12160, 13680, 14655, 15632, 16416, 17280, 17586, 18240, 18563, 19540, 20520, 21888, 23448, 26379, 27360, 29310, 31264, 32832, 35172, 36480, 37126, 39080, 41040, 43965, 46896, 52758, 54720, 55689, 58620, 62528, 65664, 70344, 74252, 78160, 82080, 87930, 92815, 93792, 105516, 109440, 111378, 117240, 125056, 131895, 140688, 148504, 156320, 164160, 167067, 175860, 185630, 187584, 211032, 222756, 234480, 263790, 278445, 281376, 297008, 312640, 328320, 334134, 351720, 371260, 375168, 422064, 445512, 468960, 501201, 527580, 556890, 562752, 594016, 625280, 668268, 703440, 742520, 835335, 844128, 891024, 937920, 1002402, 1055160, 1113780, 1125504, 1188032, 1336536, 1406880, 1485040, 1670670, 1688256, 1782048, 1875840, 2004804, 2110320, 2227560, 2376064, 2506005, 2673072, 2813760, 2970080, 3341340, 3376512, 3564096, 4009608, 4220640, 4455120, 5012010, 5346144, 5627520, 5940160, 6682680, 7128192, 8019216, 8441280, 8910240, 10024020, 10692288, 11880320, 13365360, 16038432, 16882560, 17820480, 20048040, 21384576, 26730720, 32076864, 35640960, 40096080, 53461440, 64153728, 80192160, 106922880, 160384320, 320768640]

約数ペア:

[(1, 320768640), (2, 160384320), (3, 106922880), (4, 80192160), (5, 64153728), (6, 53461440), (8, 40096080), (9, 35640960), (10, 32076864), (12, 26730720), (15, 21384576), (16, 20048040), (18, 17820480), (19, 16882560), (20, 16038432), (24, 13365360), (27, 11880320), (30, 10692288), (32, 10024020), (36, 8910240), (38, 8441280), (40, 8019216), (45, 7128192), (48, 6682680), (54, 5940160), (57, 5627520), (60, 5346144), (64, 5012010), (72, 4455120), (76, 4220640), (80, 4009608), (90, 3564096), (95, 3376512), (96, 3341340), (108, 2970080), (114, 2813760), (120, 2673072), (128, 2506005), (135, 2376064), (144, 2227560), (152, 2110320), (160, 2004804), (171, 1875840), (180, 1782048), (190, 1688256), (192, 1670670), (216, 1485040), (228, 1406880), (240, 1336536), (270, 1188032), (285, 1125504), (288, 1113780), (304, 1055160), (320, 1002402), (342, 937920), (360, 891024), (380, 844128), (384, 835335), (432, 742520), (456, 703440), (480, 668268), (513, 625280), (540, 594016), (570, 562752), (576, 556890), (608, 527580), (640, 501201), (684, 468960), (720, 445512), (760, 422064), (855, 375168), (864, 371260), (912, 351720), (960, 334134), (977, 328320), (1026, 312640), (1080, 297008), (1140, 281376), (1152, 278445), (1216, 263790), (1368, 234480), (1440, 222756), (1520, 211032), (1710, 187584), (1728, 185630), (1824, 175860), (1920, 167067), (1954, 164160), (2052, 156320), (2160, 148504), (2280, 140688), (2432, 131895), (2565, 125056), (2736, 117240), (2880, 111378), (2931, 109440), (3040, 105516), (3420, 93792), (3456, 92815), (3648, 87930), (3908, 82080), (4104, 78160), (4320, 74252), (4560, 70344), (4885, 65664), (5130, 62528), (5472, 58620), (5760, 55689), (5862, 54720), (6080, 52758), (6840, 46896), (7296, 43965), (7816, 41040), (8208, 39080), (8640, 37126), (8793, 36480), (9120, 35172), (9770, 32832), (10260, 31264), (10944, 29310), (11724, 27360), (12160, 26379), (13680, 23448), (14655, 21888), (15632, 20520), (16416, 19540), (17280, 18563), (17586, 18240)]