221487240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6173}}^1$

素因数の和:6223

約数の個数: 128

約数和(自身を含む): 746807040

約数和(自身を除く): 525319800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 6173, 7176, 8970, 11960, 12346, 17940, 18519, 24692, 30865, 35880, 37038, 49384, 61730, 74076, 80249, 92595, 123460, 141979, 148152, 160498, 185190, 240747, 246920, 283958, 320996, 370380, 401245, 425937, 481494, 567916, 641992, 709895, 740760, 802490, 851874, 962988, 1135832, 1203735, 1419790, 1604980, 1703748, 1845727, 1925976, 2129685, 2407470, 2839580, 3209960, 3407496, 3691454, 4259370, 4814940, 5537181, 5679160, 7382908, 8518740, 9228635, 9629880, 11074362, 14765816, 17037480, 18457270, 22148724, 27685905, 36914540, 44297448, 55371810, 73829080, 110743620, 221487240]

約数ペア:

[(1, 221487240), (2, 110743620), (3, 73829080), (4, 55371810), (5, 44297448), (6, 36914540), (8, 27685905), (10, 22148724), (12, 18457270), (13, 17037480), (15, 14765816), (20, 11074362), (23, 9629880), (24, 9228635), (26, 8518740), (30, 7382908), (39, 5679160), (40, 5537181), (46, 4814940), (52, 4259370), (60, 3691454), (65, 3407496), (69, 3209960), (78, 2839580), (92, 2407470), (104, 2129685), (115, 1925976), (120, 1845727), (130, 1703748), (138, 1604980), (156, 1419790), (184, 1203735), (195, 1135832), (230, 962988), (260, 851874), (276, 802490), (299, 740760), (312, 709895), (345, 641992), (390, 567916), (460, 481494), (520, 425937), (552, 401245), (598, 370380), (690, 320996), (780, 283958), (897, 246920), (920, 240747), (1196, 185190), (1380, 160498), (1495, 148152), (1560, 141979), (1794, 123460), (2392, 92595), (2760, 80249), (2990, 74076), (3588, 61730), (4485, 49384), (5980, 37038), (6173, 35880), (7176, 30865), (8970, 24692), (11960, 18519), (12346, 17940)]