440281530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 1299916800

約数和(自身を除く): 859635270

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 61, 62, 65, 78, 90, 93, 117, 122, 130, 155, 183, 186, 195, 199, 234, 279, 305, 310, 366, 390, 398, 403, 465, 549, 558, 585, 597, 610, 793, 806, 915, 930, 995, 1098, 1170, 1194, 1209, 1395, 1586, 1791, 1830, 1891, 1990, 2015, 2379, 2418, 2587, 2745, 2790, 2985, 3582, 3627, 3782, 3965, 4030, 4758, 5174, 5490, 5673, 5970, 6045, 6169, 7137, 7254, 7761, 7930, 8955, 9455, 11346, 11895, 12090, 12139, 12338, 12935, 14274, 15522, 17019, 17910, 18135, 18507, 18910, 23283, 23790, 24278, 24583, 25870, 28365, 30845, 34038, 35685, 36270, 36417, 37014, 38805, 46566, 49166, 55521, 56730, 60695, 61690, 71370, 72834, 73749, 77610, 80197, 85095, 92535, 109251, 111042, 116415, 121390, 122915, 147498, 157807, 160394, 170190, 182085, 185070, 218502, 221247, 232830, 240591, 245830, 277605, 315614, 364170, 368745, 376309, 400985, 442494, 473421, 481182, 546255, 555210, 721773, 737490, 752618, 789035, 801970, 946842, 1092510, 1106235, 1128927, 1202955, 1420263, 1443546, 1578070, 1881545, 2212470, 2257854, 2367105, 2405910, 2840526, 3386781, 3608865, 3763090, 4734210, 4892017, 5644635, 6773562, 7101315, 7217730, 9784034, 11289270, 14202630, 14676051, 16933905, 24460085, 29352102, 33867810, 44028153, 48920170, 73380255, 88056306, 146760510, 220140765, 440281530]

約数ペア:

[(1, 440281530), (2, 220140765), (3, 146760510), (5, 88056306), (6, 73380255), (9, 48920170), (10, 44028153), (13, 33867810), (15, 29352102), (18, 24460085), (26, 16933905), (30, 14676051), (31, 14202630), (39, 11289270), (45, 9784034), (61, 7217730), (62, 7101315), (65, 6773562), (78, 5644635), (90, 4892017), (93, 4734210), (117, 3763090), (122, 3608865), (130, 3386781), (155, 2840526), (183, 2405910), (186, 2367105), (195, 2257854), (199, 2212470), (234, 1881545), (279, 1578070), (305, 1443546), (310, 1420263), (366, 1202955), (390, 1128927), (398, 1106235), (403, 1092510), (465, 946842), (549, 801970), (558, 789035), (585, 752618), (597, 737490), (610, 721773), (793, 555210), (806, 546255), (915, 481182), (930, 473421), (995, 442494), (1098, 400985), (1170, 376309), (1194, 368745), (1209, 364170), (1395, 315614), (1586, 277605), (1791, 245830), (1830, 240591), (1891, 232830), (1990, 221247), (2015, 218502), (2379, 185070), (2418, 182085), (2587, 170190), (2745, 160394), (2790, 157807), (2985, 147498), (3582, 122915), (3627, 121390), (3782, 116415), (3965, 111042), (4030, 109251), (4758, 92535), (5174, 85095), (5490, 80197), (5673, 77610), (5970, 73749), (6045, 72834), (6169, 71370), (7137, 61690), (7254, 60695), (7761, 56730), (7930, 55521), (8955, 49166), (9455, 46566), (11346, 38805), (11895, 37014), (12090, 36417), (12139, 36270), (12338, 35685), (12935, 34038), (14274, 30845), (15522, 28365), (17019, 25870), (17910, 24583), (18135, 24278), (18507, 23790), (18910, 23283)]