39779460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 139531392

約数和(自身を除く): 99751932

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, 131, 140, 180, 210, 241, 252, 262, 315, 393, 420, 482, 524, 630, 655, 723, 786, 917, 964, 1179, 1205, 1260, 1310, 1446, 1572, 1687, 1834, 1965, 2169, 2358, 2410, 2620, 2751, 2892, 3374, 3615, 3668, 3930, 4338, 4585, 4716, 4820, 5061, 5502, 5895, 6748, 7230, 7860, 8253, 8435, 8676, 9170, 10122, 10845, 11004, 11790, 13755, 14460, 15183, 16506, 16870, 18340, 20244, 21690, 23580, 25305, 27510, 30366, 31571, 33012, 33740, 41265, 43380, 50610, 55020, 60732, 63142, 75915, 82530, 94713, 101220, 126284, 151830, 157855, 165060, 189426, 220997, 284139, 303660, 315710, 378852, 441994, 473565, 568278, 631420, 662991, 883988, 947130, 1104985, 1136556, 1325982, 1420695, 1894260, 1988973, 2209970, 2651964, 2841390, 3314955, 3977946, 4419940, 5682780, 6629910, 7955892, 9944865, 13259820, 19889730, 39779460]

約数ペア:

[(1, 39779460), (2, 19889730), (3, 13259820), (4, 9944865), (5, 7955892), (6, 6629910), (7, 5682780), (9, 4419940), (10, 3977946), (12, 3314955), (14, 2841390), (15, 2651964), (18, 2209970), (20, 1988973), (21, 1894260), (28, 1420695), (30, 1325982), (35, 1136556), (36, 1104985), (42, 947130), (45, 883988), (60, 662991), (63, 631420), (70, 568278), (84, 473565), (90, 441994), (105, 378852), (126, 315710), (131, 303660), (140, 284139), (180, 220997), (210, 189426), (241, 165060), (252, 157855), (262, 151830), (315, 126284), (393, 101220), (420, 94713), (482, 82530), (524, 75915), (630, 63142), (655, 60732), (723, 55020), (786, 50610), (917, 43380), (964, 41265), (1179, 33740), (1205, 33012), (1260, 31571), (1310, 30366), (1446, 27510), (1572, 25305), (1687, 23580), (1834, 21690), (1965, 20244), (2169, 18340), (2358, 16870), (2410, 16506), (2620, 15183), (2751, 14460), (2892, 13755), (3374, 11790), (3615, 11004), (3668, 10845), (3930, 10122), (4338, 9170), (4585, 8676), (4716, 8435), (4820, 8253), (5061, 7860), (5502, 7230), (5895, 6748)]