31458480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 104993280

約数和(自身を除く): 73534800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 41, 46, 48, 60, 69, 80, 82, 92, 115, 120, 123, 138, 139, 164, 184, 205, 230, 240, 246, 276, 278, 328, 345, 368, 410, 417, 460, 492, 552, 556, 615, 656, 690, 695, 820, 834, 920, 943, 984, 1104, 1112, 1230, 1380, 1390, 1640, 1668, 1840, 1886, 1968, 2085, 2224, 2460, 2760, 2780, 2829, 3197, 3280, 3336, 3772, 4170, 4715, 4920, 5520, 5560, 5658, 5699, 6394, 6672, 7544, 8340, 9430, 9591, 9840, 11120, 11316, 11398, 12788, 14145, 15088, 15985, 16680, 17097, 18860, 19182, 22632, 22796, 25576, 28290, 28495, 31970, 33360, 34194, 37720, 38364, 45264, 45592, 47955, 51152, 56580, 56990, 63940, 68388, 75440, 76728, 85485, 91184, 95910, 113160, 113980, 127880, 131077, 136776, 153456, 170970, 191820, 226320, 227960, 255760, 262154, 273552, 341940, 383640, 393231, 455920, 524308, 655385, 683880, 767280, 786462, 1048616, 1310770, 1367760, 1572924, 1966155, 2097232, 2621540, 3145848, 3932310, 5243080, 6291696, 7864620, 10486160, 15729240, 31458480]

約数ペア:

[(1, 31458480), (2, 15729240), (3, 10486160), (4, 7864620), (5, 6291696), (6, 5243080), (8, 3932310), (10, 3145848), (12, 2621540), (15, 2097232), (16, 1966155), (20, 1572924), (23, 1367760), (24, 1310770), (30, 1048616), (40, 786462), (41, 767280), (46, 683880), (48, 655385), (60, 524308), (69, 455920), (80, 393231), (82, 383640), (92, 341940), (115, 273552), (120, 262154), (123, 255760), (138, 227960), (139, 226320), (164, 191820), (184, 170970), (205, 153456), (230, 136776), (240, 131077), (246, 127880), (276, 113980), (278, 113160), (328, 95910), (345, 91184), (368, 85485), (410, 76728), (417, 75440), (460, 68388), (492, 63940), (552, 56990), (556, 56580), (615, 51152), (656, 47955), (690, 45592), (695, 45264), (820, 38364), (834, 37720), (920, 34194), (943, 33360), (984, 31970), (1104, 28495), (1112, 28290), (1230, 25576), (1380, 22796), (1390, 22632), (1640, 19182), (1668, 18860), (1840, 17097), (1886, 16680), (1968, 15985), (2085, 15088), (2224, 14145), (2460, 12788), (2760, 11398), (2780, 11316), (2829, 11120), (3197, 9840), (3280, 9591), (3336, 9430), (3772, 8340), (4170, 7544), (4715, 6672), (4920, 6394), (5520, 5699), (5560, 5658)]