1231225320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 256

約数和(自身を含む): 4150621440

約数和(自身を除く): 2919396120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 83, 104, 111, 120, 130, 148, 156, 166, 185, 195, 222, 249, 257, 260, 296, 312, 332, 370, 390, 415, 444, 481, 498, 514, 520, 555, 664, 740, 771, 780, 830, 888, 962, 996, 1028, 1079, 1110, 1245, 1285, 1443, 1480, 1542, 1560, 1660, 1924, 1992, 2056, 2158, 2220, 2405, 2490, 2570, 2886, 3071, 3084, 3237, 3320, 3341, 3848, 3855, 4316, 4440, 4810, 4980, 5140, 5395, 5772, 6142, 6168, 6474, 6682, 7215, 7710, 8632, 9213, 9509, 9620, 9960, 10023, 10280, 10790, 11544, 12284, 12948, 13364, 14430, 15355, 15420, 16185, 16705, 18426, 19018, 19240, 20046, 21331, 21580, 24568, 25896, 26728, 28527, 28860, 30710, 30840, 32370, 33410, 36852, 38036, 39923, 40092, 42662, 43160, 46065, 47545, 50115, 57054, 57720, 61420, 63993, 64740, 66820, 73704, 76072, 79846, 80184, 85324, 92130, 95090, 100230, 106655, 114108, 119769, 122840, 123617, 127986, 129480, 133640, 142635, 159692, 170648, 184260, 190180, 199615, 200460, 213310, 228216, 239538, 247234, 255972, 277303, 285270, 319384, 319965, 368520, 370851, 380360, 399230, 400920, 426620, 479076, 494468, 511944, 554606, 570540, 598845, 618085, 639930, 741702, 789247, 798460, 831909, 853240, 958152, 988936, 1109212, 1141080, 1197690, 1236170, 1279860, 1386515, 1483404, 1578494, 1596920, 1663818, 1854255, 2218424, 2367741, 2395380, 2472340, 2559720, 2773030, 2966808, 3156988, 3327636, 3708510, 3946235, 4159545, 4735482, 4790760, 4944680, 5546060, 6313976, 6655272, 7417020, 7892470, 8319090, 9470964, 10260211, 11092120, 11838705, 14834040, 15784940, 16638180, 18941928, 20520422, 23677410, 30780633, 31569880, 33276360, 41040844, 47354820, 51301055, 61561266, 82081688, 94709640, 102602110, 123122532, 153903165, 205204220, 246245064, 307806330, 410408440, 615612660, 1231225320]

約数ペア:

[(1, 1231225320), (2, 615612660), (3, 410408440), (4, 307806330), (5, 246245064), (6, 205204220), (8, 153903165), (10, 123122532), (12, 102602110), (13, 94709640), (15, 82081688), (20, 61561266), (24, 51301055), (26, 47354820), (30, 41040844), (37, 33276360), (39, 31569880), (40, 30780633), (52, 23677410), (60, 20520422), (65, 18941928), (74, 16638180), (78, 15784940), (83, 14834040), (104, 11838705), (111, 11092120), (120, 10260211), (130, 9470964), (148, 8319090), (156, 7892470), (166, 7417020), (185, 6655272), (195, 6313976), (222, 5546060), (249, 4944680), (257, 4790760), (260, 4735482), (296, 4159545), (312, 3946235), (332, 3708510), (370, 3327636), (390, 3156988), (415, 2966808), (444, 2773030), (481, 2559720), (498, 2472340), (514, 2395380), (520, 2367741), (555, 2218424), (664, 1854255), (740, 1663818), (771, 1596920), (780, 1578494), (830, 1483404), (888, 1386515), (962, 1279860), (996, 1236170), (1028, 1197690), (1079, 1141080), (1110, 1109212), (1245, 988936), (1285, 958152), (1443, 853240), (1480, 831909), (1542, 798460), (1560, 789247), (1660, 741702), (1924, 639930), (1992, 618085), (2056, 598845), (2158, 570540), (2220, 554606), (2405, 511944), (2490, 494468), (2570, 479076), (2886, 426620), (3071, 400920), (3084, 399230), (3237, 380360), (3320, 370851), (3341, 368520), (3848, 319965), (3855, 319384), (4316, 285270), (4440, 277303), (4810, 255972), (4980, 247234), (5140, 239538), (5395, 228216), (5772, 213310), (6142, 200460), (6168, 199615), (6474, 190180), (6682, 184260), (7215, 170648), (7710, 159692), (8632, 142635), (9213, 133640), (9509, 129480), (9620, 127986), (9960, 123617), (10023, 122840), (10280, 119769), (10790, 114108), (11544, 106655), (12284, 100230), (12948, 95090), (13364, 92130), (14430, 85324), (15355, 80184), (15420, 79846), (16185, 76072), (16705, 73704), (18426, 66820), (19018, 64740), (19240, 63993), (20046, 61420), (21331, 57720), (21580, 57054), (24568, 50115), (25896, 47545), (26728, 46065), (28527, 43160), (28860, 42662), (30710, 40092), (30840, 39923), (32370, 38036), (33410, 36852)]