79281540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 144

約数和(自身を含む): 274358448

約数和(自身を除く): 195076908

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, 1989, 1993, 2210, 2340, 2652, 3060, 3315, 3978, 3986, 4420, 5979, 6630, 7956, 7972, 9945, 9965, 11958, 13260, 17937, 19890, 19930, 23916, 25909, 29895, 33881, 35874, 39780, 39860, 51818, 59790, 67762, 71748, 77727, 89685, 101643, 103636, 119580, 129545, 135524, 155454, 169405, 179370, 203286, 233181, 259090, 304929, 310908, 338810, 358740, 388635, 406572, 440453, 466362, 508215, 518180, 609858, 677620, 777270, 880906, 932724, 1016430, 1165905, 1219716, 1321359, 1524645, 1554540, 1761812, 2032860, 2202265, 2331810, 2642718, 3049290, 3964077, 4404530, 4663620, 5285436, 6098580, 6606795, 7928154, 8809060, 13213590, 15856308, 19820385, 26427180, 39640770, 79281540]

約数ペア:

[(1, 79281540), (2, 39640770), (3, 26427180), (4, 19820385), (5, 15856308), (6, 13213590), (9, 8809060), (10, 7928154), (12, 6606795), (13, 6098580), (15, 5285436), (17, 4663620), (18, 4404530), (20, 3964077), (26, 3049290), (30, 2642718), (34, 2331810), (36, 2202265), (39, 2032860), (45, 1761812), (51, 1554540), (52, 1524645), (60, 1321359), (65, 1219716), (68, 1165905), (78, 1016430), (85, 932724), (90, 880906), (102, 777270), (117, 677620), (130, 609858), (153, 518180), (156, 508215), (170, 466362), (180, 440453), (195, 406572), (204, 388635), (221, 358740), (234, 338810), (255, 310908), (260, 304929), (306, 259090), (340, 233181), (390, 203286), (442, 179370), (468, 169405), (510, 155454), (585, 135524), (612, 129545), (663, 119580), (765, 103636), (780, 101643), (884, 89685), (1020, 77727), (1105, 71748), (1170, 67762), (1326, 59790), (1530, 51818), (1989, 39860), (1993, 39780), (2210, 35874), (2340, 33881), (2652, 29895), (3060, 25909), (3315, 23916), (3978, 19930), (3986, 19890), (4420, 17937), (5979, 13260), (6630, 11958), (7956, 9965), (7972, 9945)]