721641060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1237}}^1$

素因数の和:1722

約数の個数: 144

約数和(自身を含む): 2509118976

約数和(自身を除く): 1787477916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 463, 630, 926, 1237, 1260, 1389, 1852, 2315, 2474, 2778, 3241, 3711, 4167, 4630, 4948, 5556, 6185, 6482, 6945, 7422, 8334, 8659, 9260, 9723, 11133, 12370, 12964, 13890, 14844, 16205, 16668, 17318, 18555, 19446, 20835, 22266, 24740, 25977, 27780, 29169, 32410, 34636, 37110, 38892, 41670, 43295, 44532, 48615, 51954, 55665, 58338, 64820, 74220, 77931, 83340, 86590, 97230, 103908, 111330, 116676, 129885, 145845, 155862, 173180, 194460, 222660, 259770, 291690, 311724, 389655, 519540, 572731, 583380, 779310, 1145462, 1558620, 1718193, 2290924, 2863655, 3436386, 4009117, 5154579, 5727310, 6872772, 8018234, 8590965, 10309158, 11454620, 12027351, 16036468, 17181930, 20045585, 20618316, 24054702, 25772895, 34363860, 36082053, 40091170, 48109404, 51545790, 60136755, 72164106, 80182340, 103091580, 120273510, 144328212, 180410265, 240547020, 360820530, 721641060]

約数ペア:

[(1, 721641060), (2, 360820530), (3, 240547020), (4, 180410265), (5, 144328212), (6, 120273510), (7, 103091580), (9, 80182340), (10, 72164106), (12, 60136755), (14, 51545790), (15, 48109404), (18, 40091170), (20, 36082053), (21, 34363860), (28, 25772895), (30, 24054702), (35, 20618316), (36, 20045585), (42, 17181930), (45, 16036468), (60, 12027351), (63, 11454620), (70, 10309158), (84, 8590965), (90, 8018234), (105, 6872772), (126, 5727310), (140, 5154579), (180, 4009117), (210, 3436386), (252, 2863655), (315, 2290924), (420, 1718193), (463, 1558620), (630, 1145462), (926, 779310), (1237, 583380), (1260, 572731), (1389, 519540), (1852, 389655), (2315, 311724), (2474, 291690), (2778, 259770), (3241, 222660), (3711, 194460), (4167, 173180), (4630, 155862), (4948, 145845), (5556, 129885), (6185, 116676), (6482, 111330), (6945, 103908), (7422, 97230), (8334, 86590), (8659, 83340), (9260, 77931), (9723, 74220), (11133, 64820), (12370, 58338), (12964, 55665), (13890, 51954), (14844, 48615), (16205, 44532), (16668, 43295), (17318, 41670), (18555, 38892), (19446, 37110), (20835, 34636), (22266, 32410), (24740, 29169), (25977, 27780)]