70881720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6491}}^1$

素因数の和:6525

約数の個数: 128

約数和(自身を含む): 261757440

約数和(自身を除く): 190875720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 6491, 10920, 12982, 19473, 25964, 32455, 38946, 45437, 51928, 64910, 77892, 84383, 90874, 97365, 129820, 136311, 155784, 168766, 181748, 194730, 227185, 253149, 259640, 272622, 337532, 363496, 389460, 421915, 454370, 506298, 545244, 590681, 675064, 681555, 778920, 843830, 908740, 1012596, 1090488, 1181362, 1265745, 1363110, 1687660, 1772043, 1817480, 2025192, 2362724, 2531490, 2726220, 2953405, 3375320, 3544086, 4725448, 5062980, 5452440, 5906810, 7088172, 8860215, 10125960, 11813620, 14176344, 17720430, 23627240, 35440860, 70881720]

約数ペア:

[(1, 70881720), (2, 35440860), (3, 23627240), (4, 17720430), (5, 14176344), (6, 11813620), (7, 10125960), (8, 8860215), (10, 7088172), (12, 5906810), (13, 5452440), (14, 5062980), (15, 4725448), (20, 3544086), (21, 3375320), (24, 2953405), (26, 2726220), (28, 2531490), (30, 2362724), (35, 2025192), (39, 1817480), (40, 1772043), (42, 1687660), (52, 1363110), (56, 1265745), (60, 1181362), (65, 1090488), (70, 1012596), (78, 908740), (84, 843830), (91, 778920), (104, 681555), (105, 675064), (120, 590681), (130, 545244), (140, 506298), (156, 454370), (168, 421915), (182, 389460), (195, 363496), (210, 337532), (260, 272622), (273, 259640), (280, 253149), (312, 227185), (364, 194730), (390, 181748), (420, 168766), (455, 155784), (520, 136311), (546, 129820), (728, 97365), (780, 90874), (840, 84383), (910, 77892), (1092, 64910), (1365, 51928), (1560, 45437), (1820, 38946), (2184, 32455), (2730, 25964), (3640, 19473), (5460, 12982), (6491, 10920)]