388464720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7459}}^1$

素因数の和:7513

約数の個数: 160

約数和(自身を含む): 1420861440

約数和(自身を除く): 1032396720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 7459, 8680, 10416, 13020, 14918, 17360, 22377, 26040, 29836, 37295, 44754, 52080, 52213, 59672, 74590, 89508, 104426, 111885, 119344, 149180, 156639, 179016, 208852, 223770, 231229, 261065, 298360, 313278, 358032, 417704, 447540, 462458, 522130, 596720, 626556, 693687, 783195, 835408, 895080, 924916, 1044260, 1156145, 1253112, 1387374, 1566390, 1618603, 1790160, 1849832, 2088520, 2312290, 2506224, 2774748, 3132780, 3237206, 3468435, 3699664, 4177040, 4624580, 4855809, 5549496, 6265560, 6474412, 6936870, 8093015, 9249160, 9711618, 11098992, 12531120, 12948824, 13873740, 16186030, 18498320, 19423236, 24279045, 25897648, 27747480, 32372060, 38846472, 48558090, 55494960, 64744120, 77692944, 97116180, 129488240, 194232360, 388464720]

約数ペア:

[(1, 388464720), (2, 194232360), (3, 129488240), (4, 97116180), (5, 77692944), (6, 64744120), (7, 55494960), (8, 48558090), (10, 38846472), (12, 32372060), (14, 27747480), (15, 25897648), (16, 24279045), (20, 19423236), (21, 18498320), (24, 16186030), (28, 13873740), (30, 12948824), (31, 12531120), (35, 11098992), (40, 9711618), (42, 9249160), (48, 8093015), (56, 6936870), (60, 6474412), (62, 6265560), (70, 5549496), (80, 4855809), (84, 4624580), (93, 4177040), (105, 3699664), (112, 3468435), (120, 3237206), (124, 3132780), (140, 2774748), (155, 2506224), (168, 2312290), (186, 2088520), (210, 1849832), (217, 1790160), (240, 1618603), (248, 1566390), (280, 1387374), (310, 1253112), (336, 1156145), (372, 1044260), (420, 924916), (434, 895080), (465, 835408), (496, 783195), (560, 693687), (620, 626556), (651, 596720), (744, 522130), (840, 462458), (868, 447540), (930, 417704), (1085, 358032), (1240, 313278), (1302, 298360), (1488, 261065), (1680, 231229), (1736, 223770), (1860, 208852), (2170, 179016), (2480, 156639), (2604, 149180), (3255, 119344), (3472, 111885), (3720, 104426), (4340, 89508), (5208, 74590), (6510, 59672), (7440, 52213), (7459, 52080), (8680, 44754), (10416, 37295), (13020, 29836), (14918, 26040), (17360, 22377)]