51501690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 144633600

約数和(自身を除く): 93131910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 59, 61, 90, 106, 118, 122, 135, 159, 177, 183, 265, 270, 295, 305, 318, 354, 366, 477, 530, 531, 549, 590, 610, 795, 885, 915, 954, 1062, 1098, 1431, 1590, 1593, 1647, 1770, 1830, 2385, 2655, 2745, 2862, 3127, 3186, 3233, 3294, 3599, 4770, 5310, 5490, 6254, 6466, 7155, 7198, 7965, 8235, 9381, 9699, 10797, 14310, 15635, 15930, 16165, 16470, 17995, 18762, 19398, 21594, 28143, 29097, 31270, 32330, 32391, 35990, 46905, 48495, 53985, 56286, 58194, 64782, 84429, 87291, 93810, 96990, 97173, 107970, 140715, 145485, 161955, 168858, 174582, 190747, 194346, 281430, 290970, 323910, 381494, 422145, 436455, 485865, 572241, 844290, 872910, 953735, 971730, 1144482, 1716723, 1907470, 2861205, 3433446, 5150169, 5722410, 8583615, 10300338, 17167230, 25750845, 51501690]

約数ペア:

[(1, 51501690), (2, 25750845), (3, 17167230), (5, 10300338), (6, 8583615), (9, 5722410), (10, 5150169), (15, 3433446), (18, 2861205), (27, 1907470), (30, 1716723), (45, 1144482), (53, 971730), (54, 953735), (59, 872910), (61, 844290), (90, 572241), (106, 485865), (118, 436455), (122, 422145), (135, 381494), (159, 323910), (177, 290970), (183, 281430), (265, 194346), (270, 190747), (295, 174582), (305, 168858), (318, 161955), (354, 145485), (366, 140715), (477, 107970), (530, 97173), (531, 96990), (549, 93810), (590, 87291), (610, 84429), (795, 64782), (885, 58194), (915, 56286), (954, 53985), (1062, 48495), (1098, 46905), (1431, 35990), (1590, 32391), (1593, 32330), (1647, 31270), (1770, 29097), (1830, 28143), (2385, 21594), (2655, 19398), (2745, 18762), (2862, 17995), (3127, 16470), (3186, 16165), (3233, 15930), (3294, 15635), (3599, 14310), (4770, 10797), (5310, 9699), (5490, 9381), (6254, 8235), (6466, 7965), (7155, 7198)]