21227609600

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:997

約数の個数: 240

約数和(自身を含む): 55242523776

約数和(自身を除く): 34014914176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 61, 62, 64, 80, 100, 122, 124, 128, 155, 160, 200, 244, 248, 256, 305, 310, 320, 400, 488, 496, 512, 610, 620, 640, 775, 800, 877, 976, 992, 1220, 1240, 1280, 1525, 1550, 1600, 1754, 1891, 1952, 1984, 2440, 2480, 2560, 3050, 3100, 3200, 3508, 3782, 3904, 3968, 4385, 4880, 4960, 6100, 6200, 6400, 7016, 7564, 7808, 7936, 8770, 9455, 9760, 9920, 12200, 12400, 12800, 14032, 15128, 15616, 15872, 17540, 18910, 19520, 19840, 21925, 24400, 24800, 27187, 28064, 30256, 31232, 35080, 37820, 39040, 39680, 43850, 47275, 48800, 49600, 53497, 54374, 56128, 60512, 70160, 75640, 78080, 79360, 87700, 94550, 97600, 99200, 106994, 108748, 112256, 121024, 135935, 140320, 151280, 156160, 175400, 189100, 195200, 198400, 213988, 217496, 224512, 242048, 267485, 271870, 280640, 302560, 350800, 378200, 390400, 396800, 427976, 434992, 449024, 484096, 534970, 543740, 561280, 605120, 679675, 701600, 756400, 780800, 855952, 869984, 968192, 1069940, 1087480, 1122560, 1210240, 1337425, 1359350, 1403200, 1512800, 1658407, 1711904, 1739968, 2139880, 2174960, 2245120, 2420480, 2674850, 2718700, 2806400, 3025600, 3316814, 3423808, 3479936, 4279760, 4349920, 4840960, 5349700, 5437400, 5612800, 6051200, 6633628, 6847616, 6959872, 8292035, 8559520, 8699840, 10699400, 10874800, 11225600, 12102400, 13267256, 13695232, 13919744, 16584070, 17119040, 17399680, 21398800, 21749600, 24204800, 26534512, 27390464, 33168140, 34238080, 34799360, 41460175, 42797600, 43499200, 53069024, 66336280, 68476160, 69598720, 82920350, 85595200, 86998400, 106138048, 132672560, 136952320, 165840700, 171190400, 173996800, 212276096, 265345120, 331681400, 342380800, 347993600, 424552192, 530690240, 663362800, 684761600, 849104384, 1061380480, 1326725600, 2122760960, 2653451200, 4245521920, 5306902400, 10613804800, 21227609600]

約数ペア:

[(1, 21227609600), (2, 10613804800), (4, 5306902400), (5, 4245521920), (8, 2653451200), (10, 2122760960), (16, 1326725600), (20, 1061380480), (25, 849104384), (31, 684761600), (32, 663362800), (40, 530690240), (50, 424552192), (61, 347993600), (62, 342380800), (64, 331681400), (80, 265345120), (100, 212276096), (122, 173996800), (124, 171190400), (128, 165840700), (155, 136952320), (160, 132672560), (200, 106138048), (244, 86998400), (248, 85595200), (256, 82920350), (305, 69598720), (310, 68476160), (320, 66336280), (400, 53069024), (488, 43499200), (496, 42797600), (512, 41460175), (610, 34799360), (620, 34238080), (640, 33168140), (775, 27390464), (800, 26534512), (877, 24204800), (976, 21749600), (992, 21398800), (1220, 17399680), (1240, 17119040), (1280, 16584070), (1525, 13919744), (1550, 13695232), (1600, 13267256), (1754, 12102400), (1891, 11225600), (1952, 10874800), (1984, 10699400), (2440, 8699840), (2480, 8559520), (2560, 8292035), (3050, 6959872), (3100, 6847616), (3200, 6633628), (3508, 6051200), (3782, 5612800), (3904, 5437400), (3968, 5349700), (4385, 4840960), (4880, 4349920), (4960, 4279760), (6100, 3479936), (6200, 3423808), (6400, 3316814), (7016, 3025600), (7564, 2806400), (7808, 2718700), (7936, 2674850), (8770, 2420480), (9455, 2245120), (9760, 2174960), (9920, 2139880), (12200, 1739968), (12400, 1711904), (12800, 1658407), (14032, 1512800), (15128, 1403200), (15616, 1359350), (15872, 1337425), (17540, 1210240), (18910, 1122560), (19520, 1087480), (19840, 1069940), (21925, 968192), (24400, 869984), (24800, 855952), (27187, 780800), (28064, 756400), (30256, 701600), (31232, 679675), (35080, 605120), (37820, 561280), (39040, 543740), (39680, 534970), (43850, 484096), (47275, 449024), (48800, 434992), (49600, 427976), (53497, 396800), (54374, 390400), (56128, 378200), (60512, 350800), (70160, 302560), (75640, 280640), (78080, 271870), (79360, 267485), (87700, 242048), (94550, 224512), (97600, 217496), (99200, 213988), (106994, 198400), (108748, 195200), (112256, 189100), (121024, 175400), (135935, 156160), (140320, 151280)]