1644881940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6449}}^1$

素因数の和:6586

約数の個数: 144

約数和(自身を含む): 5423418000

約数和(自身を除く): 3778536060

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, 90, 109, 117, 130, 156, 180, 195, 218, 234, 260, 327, 390, 436, 468, 545, 585, 654, 780, 981, 1090, 1170, 1308, 1417, 1635, 1962, 2180, 2340, 2834, 3270, 3924, 4251, 4905, 5668, 6449, 6540, 7085, 8502, 9810, 12753, 12898, 14170, 17004, 19347, 19620, 21255, 25506, 25796, 28340, 32245, 38694, 42510, 51012, 58041, 63765, 64490, 77388, 83837, 85020, 96735, 116082, 127530, 128980, 167674, 193470, 232164, 251511, 255060, 290205, 335348, 386940, 419185, 503022, 580410, 702941, 754533, 838370, 1006044, 1160820, 1257555, 1405882, 1509066, 1676740, 2108823, 2515110, 2811764, 3018132, 3514705, 3772665, 4217646, 5030220, 6326469, 7029410, 7545330, 8435292, 9138233, 10544115, 12652938, 14058820, 15090660, 18276466, 21088230, 25305876, 27414699, 31632345, 36552932, 42176460, 45691165, 54829398, 63264690, 82244097, 91382330, 109658796, 126529380, 137073495, 164488194, 182764660, 274146990, 328976388, 411220485, 548293980, 822440970, 1644881940]

約数ペア:

[(1, 1644881940), (2, 822440970), (3, 548293980), (4, 411220485), (5, 328976388), (6, 274146990), (9, 182764660), (10, 164488194), (12, 137073495), (13, 126529380), (15, 109658796), (18, 91382330), (20, 82244097), (26, 63264690), (30, 54829398), (36, 45691165), (39, 42176460), (45, 36552932), (52, 31632345), (60, 27414699), (65, 25305876), (78, 21088230), (90, 18276466), (109, 15090660), (117, 14058820), (130, 12652938), (156, 10544115), (180, 9138233), (195, 8435292), (218, 7545330), (234, 7029410), (260, 6326469), (327, 5030220), (390, 4217646), (436, 3772665), (468, 3514705), (545, 3018132), (585, 2811764), (654, 2515110), (780, 2108823), (981, 1676740), (1090, 1509066), (1170, 1405882), (1308, 1257555), (1417, 1160820), (1635, 1006044), (1962, 838370), (2180, 754533), (2340, 702941), (2834, 580410), (3270, 503022), (3924, 419185), (4251, 386940), (4905, 335348), (5668, 290205), (6449, 255060), (6540, 251511), (7085, 232164), (8502, 193470), (9810, 167674), (12753, 128980), (12898, 127530), (14170, 116082), (17004, 96735), (19347, 85020), (19620, 83837), (21255, 77388), (25506, 64490), (25796, 63765), (28340, 58041), (32245, 51012), (38694, 42510)]