81436680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17401}}^1$

素因数の和:17431

約数の個数: 96

約数和(自身を含む): 285044760

約数和(自身を除く): 203608080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 17401, 34802, 52203, 69604, 87005, 104406, 139208, 156609, 174010, 208812, 226213, 261015, 313218, 348020, 417624, 452426, 522030, 626436, 678639, 696040, 783045, 904852, 1044060, 1131065, 1252872, 1357278, 1566090, 1809704, 2035917, 2088120, 2262130, 2714556, 3132180, 3393195, 4071834, 4524260, 5429112, 6264360, 6786390, 8143668, 9048520, 10179585, 13572780, 16287336, 20359170, 27145560, 40718340, 81436680]

約数ペア:

[(1, 81436680), (2, 40718340), (3, 27145560), (4, 20359170), (5, 16287336), (6, 13572780), (8, 10179585), (9, 9048520), (10, 8143668), (12, 6786390), (13, 6264360), (15, 5429112), (18, 4524260), (20, 4071834), (24, 3393195), (26, 3132180), (30, 2714556), (36, 2262130), (39, 2088120), (40, 2035917), (45, 1809704), (52, 1566090), (60, 1357278), (65, 1252872), (72, 1131065), (78, 1044060), (90, 904852), (104, 783045), (117, 696040), (120, 678639), (130, 626436), (156, 522030), (180, 452426), (195, 417624), (234, 348020), (260, 313218), (312, 261015), (360, 226213), (390, 208812), (468, 174010), (520, 156609), (585, 139208), (780, 104406), (936, 87005), (1170, 69604), (1560, 52203), (2340, 34802), (4680, 17401)]