28377180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 94602144

約数和(自身を除く): 66224964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 181, 195, 201, 234, 260, 268, 335, 362, 390, 402, 468, 543, 585, 603, 670, 724, 780, 804, 871, 905, 1005, 1086, 1170, 1206, 1340, 1629, 1742, 1810, 2010, 2172, 2340, 2353, 2412, 2613, 2715, 3015, 3258, 3484, 3620, 4020, 4355, 4706, 5226, 5430, 6030, 6516, 7059, 7839, 8145, 8710, 9412, 10452, 10860, 11765, 12060, 12127, 13065, 14118, 15678, 16290, 17420, 21177, 23530, 24254, 26130, 28236, 31356, 32580, 35295, 36381, 39195, 42354, 47060, 48508, 52260, 60635, 70590, 72762, 78390, 84708, 105885, 109143, 121270, 141180, 145524, 156780, 157651, 181905, 211770, 218286, 242540, 315302, 363810, 423540, 436572, 472953, 545715, 630604, 727620, 788255, 945906, 1091430, 1418859, 1576510, 1891812, 2182860, 2364765, 2837718, 3153020, 4729530, 5675436, 7094295, 9459060, 14188590, 28377180]

約数ペア:

[(1, 28377180), (2, 14188590), (3, 9459060), (4, 7094295), (5, 5675436), (6, 4729530), (9, 3153020), (10, 2837718), (12, 2364765), (13, 2182860), (15, 1891812), (18, 1576510), (20, 1418859), (26, 1091430), (30, 945906), (36, 788255), (39, 727620), (45, 630604), (52, 545715), (60, 472953), (65, 436572), (67, 423540), (78, 363810), (90, 315302), (117, 242540), (130, 218286), (134, 211770), (156, 181905), (180, 157651), (181, 156780), (195, 145524), (201, 141180), (234, 121270), (260, 109143), (268, 105885), (335, 84708), (362, 78390), (390, 72762), (402, 70590), (468, 60635), (543, 52260), (585, 48508), (603, 47060), (670, 42354), (724, 39195), (780, 36381), (804, 35295), (871, 32580), (905, 31356), (1005, 28236), (1086, 26130), (1170, 24254), (1206, 23530), (1340, 21177), (1629, 17420), (1742, 16290), (1810, 15678), (2010, 14118), (2172, 13065), (2340, 12127), (2353, 12060), (2412, 11765), (2613, 10860), (2715, 10452), (3015, 9412), (3258, 8710), (3484, 8145), (3620, 7839), (4020, 7059), (4355, 6516), (4706, 6030), (5226, 5430)]