281731320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1694

約数の個数: 192

約数和(自身を含む): 1013332320

約数和(自身を除く): 731601000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 180, 185, 195, 222, 234, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 666, 740, 780, 888, 936, 962, 1110, 1170, 1332, 1443, 1480, 1560, 1627, 1665, 1924, 2220, 2340, 2405, 2664, 2886, 3254, 3330, 3848, 4329, 4440, 4680, 4810, 4881, 5772, 6508, 6660, 7215, 8135, 8658, 9620, 9762, 11544, 13016, 13320, 14430, 14643, 16270, 17316, 19240, 19524, 21151, 21645, 24405, 28860, 29286, 32540, 34632, 39048, 42302, 43290, 48810, 57720, 58572, 60199, 63453, 65080, 73215, 84604, 86580, 97620, 105755, 117144, 120398, 126906, 146430, 169208, 173160, 180597, 190359, 195240, 211510, 240796, 253812, 292860, 300995, 317265, 361194, 380718, 423020, 481592, 507624, 541791, 585720, 601990, 634530, 722388, 761436, 782587, 846040, 902985, 951795, 1083582, 1203980, 1269060, 1444776, 1522872, 1565174, 1805970, 1903590, 2167164, 2347761, 2407960, 2538120, 2708955, 3130348, 3611940, 3807180, 3912935, 4334328, 4695522, 5417910, 6260696, 7043283, 7223880, 7614360, 7825870, 9391044, 10835820, 11738805, 14086566, 15651740, 18782088, 21671640, 23477610, 28173132, 31303480, 35216415, 46955220, 56346264, 70432830, 93910440, 140865660, 281731320]

約数ペア:

[(1, 281731320), (2, 140865660), (3, 93910440), (4, 70432830), (5, 56346264), (6, 46955220), (8, 35216415), (9, 31303480), (10, 28173132), (12, 23477610), (13, 21671640), (15, 18782088), (18, 15651740), (20, 14086566), (24, 11738805), (26, 10835820), (30, 9391044), (36, 7825870), (37, 7614360), (39, 7223880), (40, 7043283), (45, 6260696), (52, 5417910), (60, 4695522), (65, 4334328), (72, 3912935), (74, 3807180), (78, 3611940), (90, 3130348), (104, 2708955), (111, 2538120), (117, 2407960), (120, 2347761), (130, 2167164), (148, 1903590), (156, 1805970), (180, 1565174), (185, 1522872), (195, 1444776), (222, 1269060), (234, 1203980), (260, 1083582), (296, 951795), (312, 902985), (333, 846040), (360, 782587), (370, 761436), (390, 722388), (444, 634530), (468, 601990), (481, 585720), (520, 541791), (555, 507624), (585, 481592), (666, 423020), (740, 380718), (780, 361194), (888, 317265), (936, 300995), (962, 292860), (1110, 253812), (1170, 240796), (1332, 211510), (1443, 195240), (1480, 190359), (1560, 180597), (1627, 173160), (1665, 169208), (1924, 146430), (2220, 126906), (2340, 120398), (2405, 117144), (2664, 105755), (2886, 97620), (3254, 86580), (3330, 84604), (3848, 73215), (4329, 65080), (4440, 63453), (4680, 60199), (4810, 58572), (4881, 57720), (5772, 48810), (6508, 43290), (6660, 42302), (7215, 39048), (8135, 34632), (8658, 32540), (9620, 29286), (9762, 28860), (11544, 24405), (13016, 21645), (13320, 21151), (14430, 19524), (14643, 19240), (16270, 17316)]