71643780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1846

約数の個数: 144

約数和(自身を含む): 247940784

約数和(自身を除く): 176297004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1801, 1989, 2210, 2340, 2652, 3060, 3315, 3602, 3978, 4420, 5403, 6630, 7204, 7956, 9005, 9945, 10806, 13260, 16209, 18010, 19890, 21612, 23413, 27015, 30617, 32418, 36020, 39780, 46826, 54030, 61234, 64836, 70239, 81045, 91851, 93652, 108060, 117065, 122468, 140478, 153085, 162090, 183702, 210717, 234130, 275553, 280956, 306170, 324180, 351195, 367404, 398021, 421434, 459255, 468260, 551106, 612340, 702390, 796042, 842868, 918510, 1053585, 1102212, 1194063, 1377765, 1404780, 1592084, 1837020, 1990105, 2107170, 2388126, 2755530, 3582189, 3980210, 4214340, 4776252, 5511060, 5970315, 7164378, 7960420, 11940630, 14328756, 17910945, 23881260, 35821890, 71643780]

約数ペア:

[(1, 71643780), (2, 35821890), (3, 23881260), (4, 17910945), (5, 14328756), (6, 11940630), (9, 7960420), (10, 7164378), (12, 5970315), (13, 5511060), (15, 4776252), (17, 4214340), (18, 3980210), (20, 3582189), (26, 2755530), (30, 2388126), (34, 2107170), (36, 1990105), (39, 1837020), (45, 1592084), (51, 1404780), (52, 1377765), (60, 1194063), (65, 1102212), (68, 1053585), (78, 918510), (85, 842868), (90, 796042), (102, 702390), (117, 612340), (130, 551106), (153, 468260), (156, 459255), (170, 421434), (180, 398021), (195, 367404), (204, 351195), (221, 324180), (234, 306170), (255, 280956), (260, 275553), (306, 234130), (340, 210717), (390, 183702), (442, 162090), (468, 153085), (510, 140478), (585, 122468), (612, 117065), (663, 108060), (765, 93652), (780, 91851), (884, 81045), (1020, 70239), (1105, 64836), (1170, 61234), (1326, 54030), (1530, 46826), (1801, 39780), (1989, 36020), (2210, 32418), (2340, 30617), (2652, 27015), (3060, 23413), (3315, 21612), (3602, 19890), (3978, 18010), (4420, 16209), (5403, 13260), (6630, 10806), (7204, 9945), (7956, 9005)]