1330808720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 3299788800

約数和(自身を除く): 1968980080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 79, 80, 83, 86, 118, 158, 166, 172, 215, 236, 295, 316, 332, 344, 395, 415, 430, 472, 590, 632, 664, 688, 790, 830, 860, 944, 1180, 1264, 1328, 1580, 1660, 1720, 2360, 2537, 3160, 3320, 3397, 3440, 3569, 4661, 4720, 4897, 5074, 6320, 6557, 6640, 6794, 7138, 9322, 9794, 10148, 12685, 13114, 13588, 14276, 16985, 17845, 18644, 19588, 20296, 23305, 24485, 25370, 26228, 27176, 28552, 32785, 33970, 35690, 37288, 39176, 40592, 46610, 48970, 50740, 52456, 54352, 57104, 65570, 67940, 71380, 74576, 78352, 93220, 97940, 101480, 104912, 131140, 135880, 142760, 186440, 195880, 200423, 202960, 210571, 262280, 271760, 281951, 285520, 372880, 386863, 391760, 400846, 421142, 524560, 563902, 773726, 801692, 842284, 1002115, 1052855, 1127804, 1409755, 1547452, 1603384, 1684568, 1934315, 2004230, 2105710, 2255608, 2819510, 3094904, 3206768, 3369136, 3868630, 4008460, 4211420, 4511216, 5639020, 6189808, 7737260, 8016920, 8422840, 11278040, 15474520, 16033840, 16635109, 16845680, 22556080, 30949040, 33270218, 66540436, 83175545, 133080872, 166351090, 266161744, 332702180, 665404360, 1330808720]

約数ペア:

[(1, 1330808720), (2, 665404360), (4, 332702180), (5, 266161744), (8, 166351090), (10, 133080872), (16, 83175545), (20, 66540436), (40, 33270218), (43, 30949040), (59, 22556080), (79, 16845680), (80, 16635109), (83, 16033840), (86, 15474520), (118, 11278040), (158, 8422840), (166, 8016920), (172, 7737260), (215, 6189808), (236, 5639020), (295, 4511216), (316, 4211420), (332, 4008460), (344, 3868630), (395, 3369136), (415, 3206768), (430, 3094904), (472, 2819510), (590, 2255608), (632, 2105710), (664, 2004230), (688, 1934315), (790, 1684568), (830, 1603384), (860, 1547452), (944, 1409755), (1180, 1127804), (1264, 1052855), (1328, 1002115), (1580, 842284), (1660, 801692), (1720, 773726), (2360, 563902), (2537, 524560), (3160, 421142), (3320, 400846), (3397, 391760), (3440, 386863), (3569, 372880), (4661, 285520), (4720, 281951), (4897, 271760), (5074, 262280), (6320, 210571), (6557, 202960), (6640, 200423), (6794, 195880), (7138, 186440), (9322, 142760), (9794, 135880), (10148, 131140), (12685, 104912), (13114, 101480), (13588, 97940), (14276, 93220), (16985, 78352), (17845, 74576), (18644, 71380), (19588, 67940), (20296, 65570), (23305, 57104), (24485, 54352), (25370, 52456), (26228, 50740), (27176, 48970), (28552, 46610), (32785, 40592), (33970, 39176), (35690, 37288)]