1640576340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{8447}}^1$

素因数の和:8558

約数の個数: 144

約数和(自身を含む): 5424427008

約数和(自身を除く): 3783850668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 83, 90, 117, 130, 156, 166, 180, 195, 234, 249, 260, 332, 390, 415, 468, 498, 585, 747, 780, 830, 996, 1079, 1170, 1245, 1494, 1660, 2158, 2340, 2490, 2988, 3237, 3735, 4316, 4980, 5395, 6474, 7470, 8447, 9711, 10790, 12948, 14940, 16185, 16894, 19422, 21580, 25341, 32370, 33788, 38844, 42235, 48555, 50682, 64740, 76023, 84470, 97110, 101364, 109811, 126705, 152046, 168940, 194220, 219622, 253410, 304092, 329433, 380115, 439244, 506820, 549055, 658866, 701101, 760230, 988299, 1098110, 1317732, 1402202, 1520460, 1647165, 1976598, 2103303, 2196220, 2804404, 3294330, 3505505, 3953196, 4206606, 4941495, 6309909, 6588660, 7011010, 8413212, 9114313, 9882990, 10516515, 12619818, 14022020, 18228626, 19765980, 21033030, 25239636, 27342939, 31549545, 36457252, 42066060, 45571565, 54685878, 63099090, 82028817, 91143130, 109371756, 126198180, 136714695, 164057634, 182286260, 273429390, 328115268, 410144085, 546858780, 820288170, 1640576340]

約数ペア:

[(1, 1640576340), (2, 820288170), (3, 546858780), (4, 410144085), (5, 328115268), (6, 273429390), (9, 182286260), (10, 164057634), (12, 136714695), (13, 126198180), (15, 109371756), (18, 91143130), (20, 82028817), (26, 63099090), (30, 54685878), (36, 45571565), (39, 42066060), (45, 36457252), (52, 31549545), (60, 27342939), (65, 25239636), (78, 21033030), (83, 19765980), (90, 18228626), (117, 14022020), (130, 12619818), (156, 10516515), (166, 9882990), (180, 9114313), (195, 8413212), (234, 7011010), (249, 6588660), (260, 6309909), (332, 4941495), (390, 4206606), (415, 3953196), (468, 3505505), (498, 3294330), (585, 2804404), (747, 2196220), (780, 2103303), (830, 1976598), (996, 1647165), (1079, 1520460), (1170, 1402202), (1245, 1317732), (1494, 1098110), (1660, 988299), (2158, 760230), (2340, 701101), (2490, 658866), (2988, 549055), (3237, 506820), (3735, 439244), (4316, 380115), (4980, 329433), (5395, 304092), (6474, 253410), (7470, 219622), (8447, 194220), (9711, 168940), (10790, 152046), (12948, 126705), (14940, 109811), (16185, 101364), (16894, 97110), (19422, 84470), (21580, 76023), (25341, 64740), (32370, 50682), (33788, 48555), (38844, 42235)]