78666900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:930

約数の個数: 144

約数和(自身を含む): 256066944

約数和(自身を除く): 177400044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 230, 260, 276, 299, 300, 325, 345, 390, 460, 575, 598, 650, 690, 780, 877, 897, 975, 1150, 1196, 1300, 1380, 1495, 1725, 1754, 1794, 1950, 2300, 2631, 2990, 3450, 3508, 3588, 3900, 4385, 4485, 5262, 5980, 6900, 7475, 8770, 8970, 10524, 11401, 13155, 14950, 17540, 17940, 20171, 21925, 22425, 22802, 26310, 29900, 34203, 40342, 43850, 44850, 45604, 52620, 57005, 60513, 65775, 68406, 80684, 87700, 89700, 100855, 114010, 121026, 131550, 136812, 171015, 201710, 228020, 242052, 262223, 263100, 285025, 302565, 342030, 403420, 504275, 524446, 570050, 605130, 684060, 786669, 855075, 1008550, 1048892, 1140100, 1210260, 1311115, 1512825, 1573338, 1710150, 2017100, 2622230, 3025650, 3146676, 3420300, 3933345, 5244460, 6051300, 6555575, 7866690, 13111150, 15733380, 19666725, 26222300, 39333450, 78666900]

約数ペア:

[(1, 78666900), (2, 39333450), (3, 26222300), (4, 19666725), (5, 15733380), (6, 13111150), (10, 7866690), (12, 6555575), (13, 6051300), (15, 5244460), (20, 3933345), (23, 3420300), (25, 3146676), (26, 3025650), (30, 2622230), (39, 2017100), (46, 1710150), (50, 1573338), (52, 1512825), (60, 1311115), (65, 1210260), (69, 1140100), (75, 1048892), (78, 1008550), (92, 855075), (100, 786669), (115, 684060), (130, 605130), (138, 570050), (150, 524446), (156, 504275), (195, 403420), (230, 342030), (260, 302565), (276, 285025), (299, 263100), (300, 262223), (325, 242052), (345, 228020), (390, 201710), (460, 171015), (575, 136812), (598, 131550), (650, 121026), (690, 114010), (780, 100855), (877, 89700), (897, 87700), (975, 80684), (1150, 68406), (1196, 65775), (1300, 60513), (1380, 57005), (1495, 52620), (1725, 45604), (1754, 44850), (1794, 43850), (1950, 40342), (2300, 34203), (2631, 29900), (2990, 26310), (3450, 22802), (3508, 22425), (3588, 21925), (3900, 20171), (4385, 17940), (4485, 17540), (5262, 14950), (5980, 13155), (6900, 11401), (7475, 10524), (8770, 8970)]