71375220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1531}}^1$

素因数の和:1590

約数の個数: 144

約数和(自身を含む): 254287488

約数和(自身を除く): 182912268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1531, 1554, 1665, 2220, 2331, 2590, 3062, 3108, 3330, 3885, 4593, 4662, 5180, 6124, 6660, 7655, 7770, 9186, 9324, 10717, 11655, 13779, 15310, 15540, 18372, 21434, 22965, 23310, 27558, 30620, 32151, 42868, 45930, 46620, 53585, 55116, 56647, 64302, 68895, 91860, 96453, 107170, 113294, 128604, 137790, 160755, 169941, 192906, 214340, 226588, 275580, 283235, 321510, 339882, 385812, 396529, 482265, 509823, 566470, 643020, 679764, 793058, 849705, 964530, 1019646, 1132940, 1189587, 1586116, 1699410, 1929060, 1982645, 2039292, 2379174, 2549115, 3398820, 3568761, 3965290, 4758348, 5098230, 5947935, 7137522, 7930580, 10196460, 11895870, 14275044, 17843805, 23791740, 35687610, 71375220]

約数ペア:

[(1, 71375220), (2, 35687610), (3, 23791740), (4, 17843805), (5, 14275044), (6, 11895870), (7, 10196460), (9, 7930580), (10, 7137522), (12, 5947935), (14, 5098230), (15, 4758348), (18, 3965290), (20, 3568761), (21, 3398820), (28, 2549115), (30, 2379174), (35, 2039292), (36, 1982645), (37, 1929060), (42, 1699410), (45, 1586116), (60, 1189587), (63, 1132940), (70, 1019646), (74, 964530), (84, 849705), (90, 793058), (105, 679764), (111, 643020), (126, 566470), (140, 509823), (148, 482265), (180, 396529), (185, 385812), (210, 339882), (222, 321510), (252, 283235), (259, 275580), (315, 226588), (333, 214340), (370, 192906), (420, 169941), (444, 160755), (518, 137790), (555, 128604), (630, 113294), (666, 107170), (740, 96453), (777, 91860), (1036, 68895), (1110, 64302), (1260, 56647), (1295, 55116), (1332, 53585), (1531, 46620), (1554, 45930), (1665, 42868), (2220, 32151), (2331, 30620), (2590, 27558), (3062, 23310), (3108, 22965), (3330, 21434), (3885, 18372), (4593, 15540), (4662, 15310), (5180, 13779), (6124, 11655), (6660, 10717), (7655, 9324), (7770, 9186)]