81036900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:723

約数の個数: 216

約数和(自身を含む): 306022080

約数和(自身を除く): 224985180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 252, 266, 285, 300, 315, 342, 350, 380, 399, 420, 450, 475, 525, 532, 570, 630, 665, 677, 684, 700, 798, 855, 900, 950, 1050, 1140, 1197, 1260, 1330, 1354, 1425, 1575, 1596, 1710, 1900, 1995, 2031, 2100, 2394, 2660, 2708, 2850, 3150, 3325, 3385, 3420, 3990, 4062, 4275, 4739, 4788, 5700, 5985, 6093, 6300, 6650, 6770, 7980, 8124, 8550, 9478, 9975, 10155, 11970, 12186, 12863, 13300, 13540, 14217, 16925, 17100, 18956, 19950, 20310, 23695, 23940, 24372, 25726, 28434, 29925, 30465, 33850, 38589, 39900, 40620, 42651, 47390, 50775, 51452, 56868, 59850, 60930, 64315, 67700, 71085, 77178, 85302, 90041, 94780, 101550, 115767, 118475, 119700, 121860, 128630, 142170, 152325, 154356, 170604, 180082, 192945, 203100, 213255, 231534, 236950, 257260, 270123, 284340, 304650, 321575, 355425, 360164, 385890, 426510, 450205, 463068, 473900, 540246, 578835, 609300, 643150, 710850, 771780, 810369, 853020, 900410, 964725, 1066275, 1080492, 1157670, 1286300, 1350615, 1421700, 1620738, 1800820, 1929450, 2132550, 2251025, 2315340, 2701230, 2894175, 3241476, 3858900, 4051845, 4265100, 4502050, 5402460, 5788350, 6753075, 8103690, 9004100, 11576700, 13506150, 16207380, 20259225, 27012300, 40518450, 81036900]

約数ペア:

[(1, 81036900), (2, 40518450), (3, 27012300), (4, 20259225), (5, 16207380), (6, 13506150), (7, 11576700), (9, 9004100), (10, 8103690), (12, 6753075), (14, 5788350), (15, 5402460), (18, 4502050), (19, 4265100), (20, 4051845), (21, 3858900), (25, 3241476), (28, 2894175), (30, 2701230), (35, 2315340), (36, 2251025), (38, 2132550), (42, 1929450), (45, 1800820), (50, 1620738), (57, 1421700), (60, 1350615), (63, 1286300), (70, 1157670), (75, 1080492), (76, 1066275), (84, 964725), (90, 900410), (95, 853020), (100, 810369), (105, 771780), (114, 710850), (126, 643150), (133, 609300), (140, 578835), (150, 540246), (171, 473900), (175, 463068), (180, 450205), (190, 426510), (210, 385890), (225, 360164), (228, 355425), (252, 321575), (266, 304650), (285, 284340), (300, 270123), (315, 257260), (342, 236950), (350, 231534), (380, 213255), (399, 203100), (420, 192945), (450, 180082), (475, 170604), (525, 154356), (532, 152325), (570, 142170), (630, 128630), (665, 121860), (677, 119700), (684, 118475), (700, 115767), (798, 101550), (855, 94780), (900, 90041), (950, 85302), (1050, 77178), (1140, 71085), (1197, 67700), (1260, 64315), (1330, 60930), (1354, 59850), (1425, 56868), (1575, 51452), (1596, 50775), (1710, 47390), (1900, 42651), (1995, 40620), (2031, 39900), (2100, 38589), (2394, 33850), (2660, 30465), (2708, 29925), (2850, 28434), (3150, 25726), (3325, 24372), (3385, 23940), (3420, 23695), (3990, 20310), (4062, 19950), (4275, 18956), (4739, 17100), (4788, 16925), (5700, 14217), (5985, 13540), (6093, 13300), (6300, 12863), (6650, 12186), (6770, 11970), (7980, 10155), (8124, 9975), (8550, 9478)]