87960780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8011}}^1$

素因数の和:8087

約数の個数: 72

約数和(自身を含む): 271222224

約数和(自身を除く): 183261444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 8011, 10980, 16022, 24033, 32044, 40055, 48066, 72099, 80110, 96132, 120165, 144198, 160220, 240330, 288396, 360495, 480660, 488671, 720990, 977342, 1441980, 1466013, 1954684, 2443355, 2932026, 4398039, 4886710, 5864052, 7330065, 8796078, 9773420, 14660130, 17592156, 21990195, 29320260, 43980390, 87960780]

約数ペア:

[(1, 87960780), (2, 43980390), (3, 29320260), (4, 21990195), (5, 17592156), (6, 14660130), (9, 9773420), (10, 8796078), (12, 7330065), (15, 5864052), (18, 4886710), (20, 4398039), (30, 2932026), (36, 2443355), (45, 1954684), (60, 1466013), (61, 1441980), (90, 977342), (122, 720990), (180, 488671), (183, 480660), (244, 360495), (305, 288396), (366, 240330), (549, 160220), (610, 144198), (732, 120165), (915, 96132), (1098, 80110), (1220, 72099), (1830, 48066), (2196, 40055), (2745, 32044), (3660, 24033), (5490, 16022), (8011, 10980)]