815048520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47497}}^1$

素因数の和:47535

約数の個数: 128

約数和(自身を含む): 2872679040

約数和(自身を除く): 2057630520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 47497, 94994, 142491, 189988, 237485, 284982, 379976, 474970, 522467, 569964, 617461, 712455, 949940, 1044934, 1139928, 1234922, 1424910, 1567401, 1852383, 1899880, 2089868, 2469844, 2612335, 2849820, 3087305, 3134802, 3704766, 4179736, 4939688, 5224670, 5699640, 6174610, 6269604, 6792071, 7409532, 7837005, 9261915, 10449340, 12349220, 12539208, 13584142, 14819064, 15674010, 18523830, 20376213, 20898680, 24698440, 27168284, 31348020, 33960355, 37047660, 40752426, 54336568, 62696040, 67920710, 74095320, 81504852, 101881065, 135841420, 163009704, 203762130, 271682840, 407524260, 815048520]

約数ペア:

[(1, 815048520), (2, 407524260), (3, 271682840), (4, 203762130), (5, 163009704), (6, 135841420), (8, 101881065), (10, 81504852), (11, 74095320), (12, 67920710), (13, 62696040), (15, 54336568), (20, 40752426), (22, 37047660), (24, 33960355), (26, 31348020), (30, 27168284), (33, 24698440), (39, 20898680), (40, 20376213), (44, 18523830), (52, 15674010), (55, 14819064), (60, 13584142), (65, 12539208), (66, 12349220), (78, 10449340), (88, 9261915), (104, 7837005), (110, 7409532), (120, 6792071), (130, 6269604), (132, 6174610), (143, 5699640), (156, 5224670), (165, 4939688), (195, 4179736), (220, 3704766), (260, 3134802), (264, 3087305), (286, 2849820), (312, 2612335), (330, 2469844), (390, 2089868), (429, 1899880), (440, 1852383), (520, 1567401), (572, 1424910), (660, 1234922), (715, 1139928), (780, 1044934), (858, 949940), (1144, 712455), (1320, 617461), (1430, 569964), (1560, 522467), (1716, 474970), (2145, 379976), (2860, 284982), (3432, 237485), (4290, 189988), (5720, 142491), (8580, 94994), (17160, 47497)]