644825790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2103

約数の個数: 144

約数和(自身を含む): 1977972048

約数和(自身を除く): 1333146258

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 73, 90, 98, 105, 126, 146, 147, 210, 219, 245, 294, 315, 365, 438, 441, 490, 511, 630, 657, 730, 735, 882, 1022, 1095, 1314, 1470, 1533, 2003, 2190, 2205, 2555, 3066, 3285, 3577, 4006, 4410, 4599, 5110, 6009, 6570, 7154, 7665, 9198, 10015, 10731, 12018, 14021, 15330, 17885, 18027, 20030, 21462, 22995, 28042, 30045, 32193, 35770, 36054, 42063, 45990, 53655, 60090, 64386, 70105, 84126, 90135, 98147, 107310, 126189, 140210, 146219, 160965, 180270, 196294, 210315, 252378, 292438, 294441, 321930, 420630, 438657, 490735, 588882, 630945, 731095, 877314, 883323, 981470, 1023533, 1261890, 1315971, 1462190, 1472205, 1766646, 2047066, 2193285, 2631942, 2944410, 3070599, 4386570, 4416615, 5117665, 6141198, 6579855, 7164731, 8833230, 9211797, 10235330, 13159710, 14329462, 15352995, 18423594, 21494193, 30705990, 35823655, 42988386, 46058985, 64482579, 71647310, 92117970, 107470965, 128965158, 214941930, 322412895, 644825790]

約数ペア:

[(1, 644825790), (2, 322412895), (3, 214941930), (5, 128965158), (6, 107470965), (7, 92117970), (9, 71647310), (10, 64482579), (14, 46058985), (15, 42988386), (18, 35823655), (21, 30705990), (30, 21494193), (35, 18423594), (42, 15352995), (45, 14329462), (49, 13159710), (63, 10235330), (70, 9211797), (73, 8833230), (90, 7164731), (98, 6579855), (105, 6141198), (126, 5117665), (146, 4416615), (147, 4386570), (210, 3070599), (219, 2944410), (245, 2631942), (294, 2193285), (315, 2047066), (365, 1766646), (438, 1472205), (441, 1462190), (490, 1315971), (511, 1261890), (630, 1023533), (657, 981470), (730, 883323), (735, 877314), (882, 731095), (1022, 630945), (1095, 588882), (1314, 490735), (1470, 438657), (1533, 420630), (2003, 321930), (2190, 294441), (2205, 292438), (2555, 252378), (3066, 210315), (3285, 196294), (3577, 180270), (4006, 160965), (4410, 146219), (4599, 140210), (5110, 126189), (6009, 107310), (6570, 98147), (7154, 90135), (7665, 84126), (9198, 70105), (10015, 64386), (10731, 60090), (12018, 53655), (14021, 45990), (15330, 42063), (17885, 36054), (18027, 35770), (20030, 32193), (21462, 30045), (22995, 28042)]