171239640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:642

約数の個数: 256

約数和(自身を含む): 640120320

約数和(自身を除く): 468880680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 88, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 264, 286, 312, 330, 340, 374, 390, 408, 429, 440, 442, 510, 520, 561, 572, 587, 660, 663, 680, 715, 748, 780, 858, 884, 935, 1020, 1105, 1122, 1144, 1174, 1320, 1326, 1430, 1496, 1560, 1716, 1761, 1768, 1870, 2040, 2145, 2210, 2244, 2348, 2431, 2652, 2805, 2860, 2935, 3315, 3432, 3522, 3740, 4290, 4420, 4488, 4696, 4862, 5304, 5610, 5720, 5870, 6457, 6630, 7044, 7293, 7480, 7631, 8580, 8805, 8840, 9724, 9979, 11220, 11740, 12155, 12914, 13260, 14088, 14586, 15262, 17160, 17610, 19371, 19448, 19958, 22440, 22893, 23480, 24310, 25828, 26520, 29172, 29937, 30524, 32285, 35220, 36465, 38155, 38742, 39916, 45786, 48620, 49895, 51656, 58344, 59874, 61048, 64570, 70440, 72930, 76310, 77484, 79832, 83941, 91572, 96855, 97240, 99790, 109769, 114465, 119748, 129140, 129727, 145860, 149685, 152620, 154968, 167882, 183144, 193710, 199580, 219538, 228930, 239496, 251823, 258280, 259454, 291720, 299370, 305240, 329307, 335764, 387420, 389181, 399160, 419705, 439076, 457860, 503646, 518908, 548845, 598740, 648635, 658614, 671528, 774840, 778362, 839410, 878152, 915720, 1007292, 1037816, 1097690, 1197480, 1259115, 1297270, 1317228, 1426997, 1556724, 1646535, 1678820, 1945905, 2014584, 2195380, 2518230, 2594540, 2634456, 2853994, 3113448, 3293070, 3357640, 3891810, 4280991, 4390760, 5036460, 5189080, 5707988, 6586140, 7134985, 7783620, 8561982, 10072920, 11415976, 13172280, 14269970, 15567240, 17123964, 21404955, 28539940, 34247928, 42809910, 57079880, 85619820, 171239640]

約数ペア:

[(1, 171239640), (2, 85619820), (3, 57079880), (4, 42809910), (5, 34247928), (6, 28539940), (8, 21404955), (10, 17123964), (11, 15567240), (12, 14269970), (13, 13172280), (15, 11415976), (17, 10072920), (20, 8561982), (22, 7783620), (24, 7134985), (26, 6586140), (30, 5707988), (33, 5189080), (34, 5036460), (39, 4390760), (40, 4280991), (44, 3891810), (51, 3357640), (52, 3293070), (55, 3113448), (60, 2853994), (65, 2634456), (66, 2594540), (68, 2518230), (78, 2195380), (85, 2014584), (88, 1945905), (102, 1678820), (104, 1646535), (110, 1556724), (120, 1426997), (130, 1317228), (132, 1297270), (136, 1259115), (143, 1197480), (156, 1097690), (165, 1037816), (170, 1007292), (187, 915720), (195, 878152), (204, 839410), (220, 778362), (221, 774840), (255, 671528), (260, 658614), (264, 648635), (286, 598740), (312, 548845), (330, 518908), (340, 503646), (374, 457860), (390, 439076), (408, 419705), (429, 399160), (440, 389181), (442, 387420), (510, 335764), (520, 329307), (561, 305240), (572, 299370), (587, 291720), (660, 259454), (663, 258280), (680, 251823), (715, 239496), (748, 228930), (780, 219538), (858, 199580), (884, 193710), (935, 183144), (1020, 167882), (1105, 154968), (1122, 152620), (1144, 149685), (1174, 145860), (1320, 129727), (1326, 129140), (1430, 119748), (1496, 114465), (1560, 109769), (1716, 99790), (1761, 97240), (1768, 96855), (1870, 91572), (2040, 83941), (2145, 79832), (2210, 77484), (2244, 76310), (2348, 72930), (2431, 70440), (2652, 64570), (2805, 61048), (2860, 59874), (2935, 58344), (3315, 51656), (3432, 49895), (3522, 48620), (3740, 45786), (4290, 39916), (4420, 38742), (4488, 38155), (4696, 36465), (4862, 35220), (5304, 32285), (5610, 30524), (5720, 29937), (5870, 29172), (6457, 26520), (6630, 25828), (7044, 24310), (7293, 23480), (7480, 22893), (7631, 22440), (8580, 19958), (8805, 19448), (8840, 19371), (9724, 17610), (9979, 17160), (11220, 15262), (11740, 14586), (12155, 14088), (12914, 13260)]