51217530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 153957888

約数和(自身を除く): 102740358

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 73, 78, 91, 105, 130, 146, 182, 195, 210, 219, 257, 273, 365, 390, 438, 455, 511, 514, 546, 730, 771, 910, 949, 1022, 1095, 1285, 1365, 1533, 1542, 1799, 1898, 2190, 2555, 2570, 2730, 2847, 3066, 3341, 3598, 3855, 4745, 5110, 5397, 5694, 6643, 6682, 7665, 7710, 8995, 9490, 10023, 10794, 13286, 14235, 15330, 16705, 17990, 18761, 19929, 20046, 23387, 26985, 28470, 33215, 33410, 37522, 39858, 46774, 50115, 53970, 56283, 66430, 70161, 93805, 99645, 100230, 112566, 116935, 131327, 140322, 187610, 199290, 233870, 243893, 262654, 281415, 350805, 393981, 487786, 562830, 656635, 701610, 731679, 787962, 1219465, 1313270, 1463358, 1707251, 1969905, 2438930, 3414502, 3658395, 3939810, 5121753, 7316790, 8536255, 10243506, 17072510, 25608765, 51217530]

約数ペア:

[(1, 51217530), (2, 25608765), (3, 17072510), (5, 10243506), (6, 8536255), (7, 7316790), (10, 5121753), (13, 3939810), (14, 3658395), (15, 3414502), (21, 2438930), (26, 1969905), (30, 1707251), (35, 1463358), (39, 1313270), (42, 1219465), (65, 787962), (70, 731679), (73, 701610), (78, 656635), (91, 562830), (105, 487786), (130, 393981), (146, 350805), (182, 281415), (195, 262654), (210, 243893), (219, 233870), (257, 199290), (273, 187610), (365, 140322), (390, 131327), (438, 116935), (455, 112566), (511, 100230), (514, 99645), (546, 93805), (730, 70161), (771, 66430), (910, 56283), (949, 53970), (1022, 50115), (1095, 46774), (1285, 39858), (1365, 37522), (1533, 33410), (1542, 33215), (1799, 28470), (1898, 26985), (2190, 23387), (2555, 20046), (2570, 19929), (2730, 18761), (2847, 17990), (3066, 16705), (3341, 15330), (3598, 14235), (3855, 13286), (4745, 10794), (5110, 10023), (5397, 9490), (5694, 8995), (6643, 7710), (6682, 7665)]