78399640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 205701120

約数和(自身を除く): 127301480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 61, 88, 92, 110, 115, 122, 127, 184, 220, 230, 244, 253, 254, 305, 440, 460, 488, 506, 508, 610, 635, 671, 920, 1012, 1016, 1220, 1265, 1270, 1342, 1397, 1403, 2024, 2440, 2530, 2540, 2684, 2794, 2806, 2921, 3355, 5060, 5080, 5368, 5588, 5612, 5842, 6710, 6985, 7015, 7747, 10120, 11176, 11224, 11684, 13420, 13970, 14030, 14605, 15433, 15494, 23368, 26840, 27940, 28060, 29210, 30866, 30988, 32131, 38735, 55880, 56120, 58420, 61732, 61976, 64262, 77165, 77470, 85217, 116840, 123464, 128524, 154330, 154940, 160655, 170434, 178181, 257048, 308660, 309880, 321310, 340868, 356362, 426085, 617320, 642620, 681736, 712724, 852170, 890905, 1285240, 1425448, 1704340, 1781810, 1959991, 3408680, 3563620, 3919982, 7127240, 7839964, 9799955, 15679928, 19599910, 39199820, 78399640]

約数ペア:

[(1, 78399640), (2, 39199820), (4, 19599910), (5, 15679928), (8, 9799955), (10, 7839964), (11, 7127240), (20, 3919982), (22, 3563620), (23, 3408680), (40, 1959991), (44, 1781810), (46, 1704340), (55, 1425448), (61, 1285240), (88, 890905), (92, 852170), (110, 712724), (115, 681736), (122, 642620), (127, 617320), (184, 426085), (220, 356362), (230, 340868), (244, 321310), (253, 309880), (254, 308660), (305, 257048), (440, 178181), (460, 170434), (488, 160655), (506, 154940), (508, 154330), (610, 128524), (635, 123464), (671, 116840), (920, 85217), (1012, 77470), (1016, 77165), (1220, 64262), (1265, 61976), (1270, 61732), (1342, 58420), (1397, 56120), (1403, 55880), (2024, 38735), (2440, 32131), (2530, 30988), (2540, 30866), (2684, 29210), (2794, 28060), (2806, 27940), (2921, 26840), (3355, 23368), (5060, 15494), (5080, 15433), (5368, 14605), (5588, 14030), (5612, 13970), (5842, 13420), (6710, 11684), (6985, 11224), (7015, 11176), (7747, 10120)]