4328687920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1\times {\mathrm{1759}}^1$

素因数の和:3410

約数の個数: 80

約数和(自身を含む): 10606464000

約数和(自身を除く): 6277776080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1619, 1759, 3238, 3518, 6476, 7036, 8095, 8795, 12952, 14072, 16190, 17590, 25904, 28144, 30761, 32380, 33421, 35180, 61522, 64760, 66842, 70360, 123044, 129520, 133684, 140720, 153805, 167105, 246088, 267368, 307610, 334210, 492176, 534736, 615220, 668420, 1230440, 1336840, 2460880, 2673680, 2847821, 5695642, 11391284, 14239105, 22782568, 28478210, 45565136, 54108599, 56956420, 108217198, 113912840, 216434396, 227825680, 270542995, 432868792, 541085990, 865737584, 1082171980, 2164343960, 4328687920]

約数ペア:

[(1, 4328687920), (2, 2164343960), (4, 1082171980), (5, 865737584), (8, 541085990), (10, 432868792), (16, 270542995), (19, 227825680), (20, 216434396), (38, 113912840), (40, 108217198), (76, 56956420), (80, 54108599), (95, 45565136), (152, 28478210), (190, 22782568), (304, 14239105), (380, 11391284), (760, 5695642), (1520, 2847821), (1619, 2673680), (1759, 2460880), (3238, 1336840), (3518, 1230440), (6476, 668420), (7036, 615220), (8095, 534736), (8795, 492176), (12952, 334210), (14072, 307610), (16190, 267368), (17590, 246088), (25904, 167105), (28144, 153805), (30761, 140720), (32380, 133684), (33421, 129520), (35180, 123044), (61522, 70360), (64760, 66842)]