178875060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^2$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 619855488

約数和(自身を除く): 440980428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 181, 182, 195, 210, 260, 273, 362, 364, 390, 420, 455, 543, 546, 724, 780, 905, 910, 1086, 1092, 1267, 1365, 1810, 1820, 2172, 2353, 2534, 2715, 2730, 3620, 3801, 4706, 5068, 5430, 5460, 6335, 7059, 7602, 9412, 10860, 11765, 12670, 14118, 15204, 16471, 19005, 23530, 25340, 28236, 32761, 32942, 35295, 38010, 47060, 49413, 65522, 65884, 70590, 76020, 82355, 98283, 98826, 131044, 141180, 163805, 164710, 196566, 197652, 229327, 247065, 327610, 329420, 393132, 425893, 458654, 491415, 494130, 655220, 687981, 851786, 917308, 982830, 988260, 1146635, 1277679, 1375962, 1703572, 1965660, 2129465, 2293270, 2555358, 2751924, 2981251, 3439905, 4258930, 4586540, 5110716, 5962502, 6388395, 6879810, 8517860, 8943753, 11925004, 12776790, 13759620, 14906255, 17887506, 25553580, 29812510, 35775012, 44718765, 59625020, 89437530, 178875060]

約数ペア:

[(1, 178875060), (2, 89437530), (3, 59625020), (4, 44718765), (5, 35775012), (6, 29812510), (7, 25553580), (10, 17887506), (12, 14906255), (13, 13759620), (14, 12776790), (15, 11925004), (20, 8943753), (21, 8517860), (26, 6879810), (28, 6388395), (30, 5962502), (35, 5110716), (39, 4586540), (42, 4258930), (52, 3439905), (60, 2981251), (65, 2751924), (70, 2555358), (78, 2293270), (84, 2129465), (91, 1965660), (105, 1703572), (130, 1375962), (140, 1277679), (156, 1146635), (181, 988260), (182, 982830), (195, 917308), (210, 851786), (260, 687981), (273, 655220), (362, 494130), (364, 491415), (390, 458654), (420, 425893), (455, 393132), (543, 329420), (546, 327610), (724, 247065), (780, 229327), (905, 197652), (910, 196566), (1086, 164710), (1092, 163805), (1267, 141180), (1365, 131044), (1810, 98826), (1820, 98283), (2172, 82355), (2353, 76020), (2534, 70590), (2715, 65884), (2730, 65522), (3620, 49413), (3801, 47060), (4706, 38010), (5068, 35295), (5430, 32942), (5460, 32761), (6335, 28236), (7059, 25340), (7602, 23530), (9412, 19005), (10860, 16471), (11765, 15204), (12670, 14118)]