31455060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:862

約数の個数: 144

約数和(自身を含む): 110468736

約数和(自身を除く): 79013676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 823, 910, 980, 1092, 1274, 1365, 1470, 1646, 1820, 1911, 2469, 2548, 2730, 2940, 3185, 3292, 3822, 4115, 4938, 5460, 5761, 6370, 7644, 8230, 9555, 9876, 10699, 11522, 12345, 12740, 16460, 17283, 19110, 21398, 23044, 24690, 28805, 32097, 34566, 38220, 40327, 42796, 49380, 53495, 57610, 64194, 69132, 74893, 80654, 86415, 106990, 115220, 120981, 128388, 149786, 160485, 161308, 172830, 201635, 213980, 224679, 241962, 299572, 320970, 345660, 374465, 403270, 449358, 483924, 524251, 604905, 641940, 748930, 806540, 898716, 1048502, 1123395, 1209810, 1497860, 1572753, 2097004, 2246790, 2419620, 2621255, 3145506, 4493580, 5242510, 6291012, 7863765, 10485020, 15727530, 31455060]

約数ペア:

[(1, 31455060), (2, 15727530), (3, 10485020), (4, 7863765), (5, 6291012), (6, 5242510), (7, 4493580), (10, 3145506), (12, 2621255), (13, 2419620), (14, 2246790), (15, 2097004), (20, 1572753), (21, 1497860), (26, 1209810), (28, 1123395), (30, 1048502), (35, 898716), (39, 806540), (42, 748930), (49, 641940), (52, 604905), (60, 524251), (65, 483924), (70, 449358), (78, 403270), (84, 374465), (91, 345660), (98, 320970), (105, 299572), (130, 241962), (140, 224679), (147, 213980), (156, 201635), (182, 172830), (195, 161308), (196, 160485), (210, 149786), (245, 128388), (260, 120981), (273, 115220), (294, 106990), (364, 86415), (390, 80654), (420, 74893), (455, 69132), (490, 64194), (546, 57610), (588, 53495), (637, 49380), (735, 42796), (780, 40327), (823, 38220), (910, 34566), (980, 32097), (1092, 28805), (1274, 24690), (1365, 23044), (1470, 21398), (1646, 19110), (1820, 17283), (1911, 16460), (2469, 12740), (2548, 12345), (2730, 11522), (2940, 10699), (3185, 9876), (3292, 9555), (3822, 8230), (4115, 7644), (4938, 6370), (5460, 5761)]