31656690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 94348800

約数和(自身を除く): 62692110

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 29, 30, 39, 45, 54, 58, 65, 78, 87, 90, 117, 130, 135, 145, 174, 195, 234, 261, 270, 290, 311, 351, 377, 390, 435, 522, 585, 622, 702, 754, 783, 870, 933, 1131, 1170, 1305, 1555, 1566, 1755, 1866, 1885, 2262, 2610, 2799, 3110, 3393, 3510, 3770, 3915, 4043, 4665, 5598, 5655, 6786, 7830, 8086, 8397, 9019, 9330, 10179, 11310, 12129, 13995, 16794, 16965, 18038, 20215, 20358, 24258, 27057, 27990, 33930, 36387, 40430, 41985, 45095, 50895, 54114, 60645, 72774, 81171, 83970, 90190, 101790, 109161, 117247, 121290, 135285, 162342, 181935, 218322, 234494, 243513, 270570, 351741, 363870, 405855, 487026, 545805, 586235, 703482, 811710, 1055223, 1091610, 1172470, 1217565, 1758705, 2110446, 2435130, 3165669, 3517410, 5276115, 6331338, 10552230, 15828345, 31656690]

約数ペア:

[(1, 31656690), (2, 15828345), (3, 10552230), (5, 6331338), (6, 5276115), (9, 3517410), (10, 3165669), (13, 2435130), (15, 2110446), (18, 1758705), (26, 1217565), (27, 1172470), (29, 1091610), (30, 1055223), (39, 811710), (45, 703482), (54, 586235), (58, 545805), (65, 487026), (78, 405855), (87, 363870), (90, 351741), (117, 270570), (130, 243513), (135, 234494), (145, 218322), (174, 181935), (195, 162342), (234, 135285), (261, 121290), (270, 117247), (290, 109161), (311, 101790), (351, 90190), (377, 83970), (390, 81171), (435, 72774), (522, 60645), (585, 54114), (622, 50895), (702, 45095), (754, 41985), (783, 40430), (870, 36387), (933, 33930), (1131, 27990), (1170, 27057), (1305, 24258), (1555, 20358), (1566, 20215), (1755, 18038), (1866, 16965), (1885, 16794), (2262, 13995), (2610, 12129), (2799, 11310), (3110, 10179), (3393, 9330), (3510, 9019), (3770, 8397), (3915, 8086), (4043, 7830), (4665, 6786), (5598, 5655)]