82407920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 233127936

約数和(自身を除く): 150720016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 56, 62, 70, 80, 94, 101, 112, 124, 140, 155, 188, 202, 217, 235, 248, 280, 310, 329, 376, 404, 434, 470, 496, 505, 560, 620, 658, 707, 752, 808, 868, 940, 1010, 1085, 1240, 1316, 1414, 1457, 1616, 1645, 1736, 1880, 2020, 2170, 2480, 2632, 2828, 2914, 3131, 3290, 3472, 3535, 3760, 4040, 4340, 4747, 5264, 5656, 5828, 6262, 6580, 7070, 7285, 8080, 8680, 9494, 10199, 11312, 11656, 12524, 13160, 14140, 14570, 15655, 17360, 18988, 20398, 21917, 23312, 23735, 25048, 26320, 28280, 29140, 31310, 33229, 37976, 40796, 43834, 47470, 50096, 50995, 56560, 58280, 62620, 66458, 75952, 81592, 87668, 94940, 101990, 109585, 116560, 125240, 132916, 147157, 163184, 166145, 175336, 189880, 203980, 219170, 250480, 265832, 294314, 332290, 350672, 379760, 407960, 438340, 531664, 588628, 664580, 735785, 815920, 876680, 1030099, 1177256, 1329160, 1471570, 1753360, 2060198, 2354512, 2658320, 2943140, 4120396, 5150495, 5886280, 8240792, 10300990, 11772560, 16481584, 20601980, 41203960, 82407920]

約数ペア:

[(1, 82407920), (2, 41203960), (4, 20601980), (5, 16481584), (7, 11772560), (8, 10300990), (10, 8240792), (14, 5886280), (16, 5150495), (20, 4120396), (28, 2943140), (31, 2658320), (35, 2354512), (40, 2060198), (47, 1753360), (56, 1471570), (62, 1329160), (70, 1177256), (80, 1030099), (94, 876680), (101, 815920), (112, 735785), (124, 664580), (140, 588628), (155, 531664), (188, 438340), (202, 407960), (217, 379760), (235, 350672), (248, 332290), (280, 294314), (310, 265832), (329, 250480), (376, 219170), (404, 203980), (434, 189880), (470, 175336), (496, 166145), (505, 163184), (560, 147157), (620, 132916), (658, 125240), (707, 116560), (752, 109585), (808, 101990), (868, 94940), (940, 87668), (1010, 81592), (1085, 75952), (1240, 66458), (1316, 62620), (1414, 58280), (1457, 56560), (1616, 50995), (1645, 50096), (1736, 47470), (1880, 43834), (2020, 40796), (2170, 37976), (2480, 33229), (2632, 31310), (2828, 29140), (2914, 28280), (3131, 26320), (3290, 25048), (3472, 23735), (3535, 23312), (3760, 21917), (4040, 20398), (4340, 18988), (4747, 17360), (5264, 15655), (5656, 14570), (5828, 14140), (6262, 13160), (6580, 12524), (7070, 11656), (7285, 11312), (8080, 10199), (8680, 9494)]