80313480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 283259340

約数和(自身を除く): 202945860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 131, 156, 180, 195, 234, 260, 262, 312, 360, 390, 393, 468, 520, 524, 585, 655, 780, 786, 936, 1048, 1170, 1179, 1310, 1560, 1572, 1703, 1965, 2340, 2358, 2620, 3144, 3406, 3930, 4680, 4716, 5109, 5240, 5895, 6812, 7860, 8515, 9432, 10218, 11790, 13624, 15327, 15720, 17030, 17161, 20436, 23580, 25545, 30654, 34060, 34322, 40872, 47160, 51090, 51483, 61308, 68120, 68644, 76635, 85805, 102180, 102966, 122616, 137288, 153270, 154449, 171610, 204360, 205932, 223093, 257415, 306540, 308898, 343220, 411864, 446186, 514830, 613080, 617796, 669279, 686440, 772245, 892372, 1029660, 1115465, 1235592, 1338558, 1544490, 1784744, 2007837, 2059320, 2230930, 2677116, 3088980, 3346395, 4015674, 4461860, 5354232, 6177960, 6692790, 8031348, 8923720, 10039185, 13385580, 16062696, 20078370, 26771160, 40156740, 80313480]

約数ペア:

[(1, 80313480), (2, 40156740), (3, 26771160), (4, 20078370), (5, 16062696), (6, 13385580), (8, 10039185), (9, 8923720), (10, 8031348), (12, 6692790), (13, 6177960), (15, 5354232), (18, 4461860), (20, 4015674), (24, 3346395), (26, 3088980), (30, 2677116), (36, 2230930), (39, 2059320), (40, 2007837), (45, 1784744), (52, 1544490), (60, 1338558), (65, 1235592), (72, 1115465), (78, 1029660), (90, 892372), (104, 772245), (117, 686440), (120, 669279), (130, 617796), (131, 613080), (156, 514830), (180, 446186), (195, 411864), (234, 343220), (260, 308898), (262, 306540), (312, 257415), (360, 223093), (390, 205932), (393, 204360), (468, 171610), (520, 154449), (524, 153270), (585, 137288), (655, 122616), (780, 102966), (786, 102180), (936, 85805), (1048, 76635), (1170, 68644), (1179, 68120), (1310, 61308), (1560, 51483), (1572, 51090), (1703, 47160), (1965, 40872), (2340, 34322), (2358, 34060), (2620, 30654), (3144, 25545), (3406, 23580), (3930, 20436), (4680, 17161), (4716, 17030), (5109, 15720), (5240, 15327), (5895, 13624), (6812, 11790), (7860, 10218), (8515, 9432)]