72029988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 205004800

約数和(自身を除く): 132974812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 43, 57, 62, 76, 79, 86, 93, 114, 124, 129, 158, 171, 172, 186, 228, 237, 258, 279, 316, 342, 372, 387, 474, 516, 558, 589, 684, 711, 774, 817, 948, 1116, 1178, 1333, 1422, 1501, 1548, 1634, 1767, 2356, 2449, 2451, 2666, 2844, 3002, 3268, 3397, 3534, 3999, 4503, 4898, 4902, 5301, 5332, 6004, 6794, 7068, 7347, 7353, 7998, 9006, 9796, 9804, 10191, 10602, 11997, 13509, 13588, 14694, 14706, 15996, 18012, 20382, 21204, 22041, 23994, 25327, 27018, 29388, 29412, 30573, 40764, 44082, 46531, 47988, 50654, 54036, 61146, 64543, 75981, 88164, 93062, 101308, 105307, 122292, 129086, 139593, 151962, 186124, 193629, 210614, 227943, 258172, 279186, 303924, 315921, 387258, 418779, 421228, 455886, 558372, 580887, 631842, 774516, 837558, 911772, 947763, 1161774, 1263684, 1675116, 1895526, 2000833, 2323548, 3791052, 4001666, 6002499, 8003332, 12004998, 18007497, 24009996, 36014994, 72029988]

約数ペア:

[(1, 72029988), (2, 36014994), (3, 24009996), (4, 18007497), (6, 12004998), (9, 8003332), (12, 6002499), (18, 4001666), (19, 3791052), (31, 2323548), (36, 2000833), (38, 1895526), (43, 1675116), (57, 1263684), (62, 1161774), (76, 947763), (79, 911772), (86, 837558), (93, 774516), (114, 631842), (124, 580887), (129, 558372), (158, 455886), (171, 421228), (172, 418779), (186, 387258), (228, 315921), (237, 303924), (258, 279186), (279, 258172), (316, 227943), (342, 210614), (372, 193629), (387, 186124), (474, 151962), (516, 139593), (558, 129086), (589, 122292), (684, 105307), (711, 101308), (774, 93062), (817, 88164), (948, 75981), (1116, 64543), (1178, 61146), (1333, 54036), (1422, 50654), (1501, 47988), (1548, 46531), (1634, 44082), (1767, 40764), (2356, 30573), (2449, 29412), (2451, 29388), (2666, 27018), (2844, 25327), (3002, 23994), (3268, 22041), (3397, 21204), (3534, 20382), (3999, 18012), (4503, 15996), (4898, 14706), (4902, 14694), (5301, 13588), (5332, 13509), (6004, 11997), (6794, 10602), (7068, 10191), (7347, 9804), (7353, 9796), (7998, 9006)]