90990120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 322237440

約数和(自身を除く): 231247320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 47, 51, 52, 60, 65, 68, 73, 78, 85, 94, 102, 104, 120, 130, 136, 141, 146, 156, 170, 188, 195, 204, 219, 221, 235, 255, 260, 282, 292, 312, 340, 365, 376, 390, 408, 438, 442, 470, 510, 520, 564, 584, 611, 663, 680, 705, 730, 780, 799, 876, 884, 940, 949, 1020, 1095, 1105, 1128, 1222, 1241, 1326, 1410, 1460, 1560, 1598, 1752, 1768, 1833, 1880, 1898, 2040, 2190, 2210, 2397, 2444, 2482, 2652, 2820, 2847, 2920, 3055, 3196, 3315, 3431, 3666, 3723, 3796, 3995, 4380, 4420, 4745, 4794, 4888, 4964, 5304, 5640, 5694, 6110, 6205, 6392, 6630, 6862, 7332, 7446, 7592, 7990, 8760, 8840, 9165, 9490, 9588, 9928, 10293, 10387, 11388, 11985, 12220, 12410, 13260, 13724, 14235, 14664, 14892, 15980, 16133, 17155, 18330, 18615, 18980, 19176, 20586, 20774, 22776, 23970, 24440, 24820, 26520, 27448, 28470, 29784, 31161, 31960, 32266, 34310, 36660, 37230, 37960, 41172, 41548, 44603, 47940, 48399, 49640, 51465, 51935, 56940, 58327, 62322, 64532, 68620, 73320, 74460, 80665, 82344, 83096, 89206, 95880, 96798, 102930, 103870, 113880, 116654, 124644, 129064, 133809, 137240, 148920, 155805, 161330, 174981, 178412, 193596, 205860, 207740, 223015, 233308, 241995, 249288, 267618, 291635, 311610, 322660, 349962, 356824, 387192, 411720, 415480, 446030, 466616, 483990, 535236, 583270, 623220, 645320, 669045, 699924, 758251, 874905, 892060, 967980, 1070472, 1166540, 1246440, 1338090, 1399848, 1516502, 1749810, 1784120, 1935960, 2274753, 2333080, 2676180, 3033004, 3499620, 3791255, 4549506, 5352360, 6066008, 6999240, 7582510, 9099012, 11373765, 15165020, 18198024, 22747530, 30330040, 45495060, 90990120]

約数ペア:

[(1, 90990120), (2, 45495060), (3, 30330040), (4, 22747530), (5, 18198024), (6, 15165020), (8, 11373765), (10, 9099012), (12, 7582510), (13, 6999240), (15, 6066008), (17, 5352360), (20, 4549506), (24, 3791255), (26, 3499620), (30, 3033004), (34, 2676180), (39, 2333080), (40, 2274753), (47, 1935960), (51, 1784120), (52, 1749810), (60, 1516502), (65, 1399848), (68, 1338090), (73, 1246440), (78, 1166540), (85, 1070472), (94, 967980), (102, 892060), (104, 874905), (120, 758251), (130, 699924), (136, 669045), (141, 645320), (146, 623220), (156, 583270), (170, 535236), (188, 483990), (195, 466616), (204, 446030), (219, 415480), (221, 411720), (235, 387192), (255, 356824), (260, 349962), (282, 322660), (292, 311610), (312, 291635), (340, 267618), (365, 249288), (376, 241995), (390, 233308), (408, 223015), (438, 207740), (442, 205860), (470, 193596), (510, 178412), (520, 174981), (564, 161330), (584, 155805), (611, 148920), (663, 137240), (680, 133809), (705, 129064), (730, 124644), (780, 116654), (799, 113880), (876, 103870), (884, 102930), (940, 96798), (949, 95880), (1020, 89206), (1095, 83096), (1105, 82344), (1128, 80665), (1222, 74460), (1241, 73320), (1326, 68620), (1410, 64532), (1460, 62322), (1560, 58327), (1598, 56940), (1752, 51935), (1768, 51465), (1833, 49640), (1880, 48399), (1898, 47940), (2040, 44603), (2190, 41548), (2210, 41172), (2397, 37960), (2444, 37230), (2482, 36660), (2652, 34310), (2820, 32266), (2847, 31960), (2920, 31161), (3055, 29784), (3196, 28470), (3315, 27448), (3431, 26520), (3666, 24820), (3723, 24440), (3796, 23970), (3995, 22776), (4380, 20774), (4420, 20586), (4745, 19176), (4794, 18980), (4888, 18615), (4964, 18330), (5304, 17155), (5640, 16133), (5694, 15980), (6110, 14892), (6205, 14664), (6392, 14235), (6630, 13724), (6862, 13260), (7332, 12410), (7446, 12220), (7592, 11985), (7990, 11388), (8760, 10387), (8840, 10293), (9165, 9928), (9490, 9588)]