20754885480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{418783}}^1$

素因数の和:418863

約数の個数: 128

約数和(自身を含む): 72365875200

約数和(自身を除く): 51610989720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 413, 420, 472, 590, 708, 826, 840, 885, 1180, 1239, 1416, 1652, 1770, 2065, 2360, 2478, 3304, 3540, 4130, 4956, 6195, 7080, 8260, 9912, 12390, 16520, 24780, 49560, 418783, 837566, 1256349, 1675132, 2093915, 2512698, 2931481, 3350264, 4187830, 5025396, 5862962, 6281745, 8375660, 8794443, 10050792, 11725924, 12563490, 14657405, 16751320, 17588886, 23451848, 24708197, 25126980, 29314810, 35177772, 43972215, 49416394, 50253960, 58629620, 70355544, 74124591, 87944430, 98832788, 117259240, 123540985, 148249182, 172957379, 175888860, 197665576, 247081970, 296498364, 345914758, 351777720, 370622955, 494163940, 518872137, 592996728, 691829516, 741245910, 864786895, 988327880, 1037744274, 1383659032, 1482491820, 1729573790, 2075488548, 2594360685, 2964983640, 3459147580, 4150977096, 5188721370, 6918295160, 10377442740, 20754885480]

約数ペア:

[(1, 20754885480), (2, 10377442740), (3, 6918295160), (4, 5188721370), (5, 4150977096), (6, 3459147580), (7, 2964983640), (8, 2594360685), (10, 2075488548), (12, 1729573790), (14, 1482491820), (15, 1383659032), (20, 1037744274), (21, 988327880), (24, 864786895), (28, 741245910), (30, 691829516), (35, 592996728), (40, 518872137), (42, 494163940), (56, 370622955), (59, 351777720), (60, 345914758), (70, 296498364), (84, 247081970), (105, 197665576), (118, 175888860), (120, 172957379), (140, 148249182), (168, 123540985), (177, 117259240), (210, 98832788), (236, 87944430), (280, 74124591), (295, 70355544), (354, 58629620), (413, 50253960), (420, 49416394), (472, 43972215), (590, 35177772), (708, 29314810), (826, 25126980), (840, 24708197), (885, 23451848), (1180, 17588886), (1239, 16751320), (1416, 14657405), (1652, 12563490), (1770, 11725924), (2065, 10050792), (2360, 8794443), (2478, 8375660), (3304, 6281745), (3540, 5862962), (4130, 5025396), (4956, 4187830), (6195, 3350264), (7080, 2931481), (8260, 2512698), (9912, 2093915), (12390, 1675132), (16520, 1256349), (24780, 837566), (49560, 418783)]