248779960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 256

約数和(自身を含む): 719953920

約数和(自身を除く): 471173960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 31, 40, 44, 46, 52, 55, 61, 62, 65, 88, 92, 104, 110, 115, 122, 124, 130, 143, 155, 184, 220, 230, 244, 248, 253, 260, 286, 299, 305, 310, 341, 403, 440, 460, 488, 506, 520, 572, 598, 610, 620, 671, 682, 713, 715, 793, 806, 920, 1012, 1144, 1196, 1220, 1240, 1265, 1342, 1364, 1403, 1426, 1430, 1495, 1586, 1612, 1705, 1891, 2015, 2024, 2392, 2440, 2530, 2684, 2728, 2806, 2852, 2860, 2990, 3172, 3224, 3289, 3355, 3410, 3565, 3782, 3965, 4030, 4433, 5060, 5368, 5612, 5704, 5720, 5980, 6344, 6578, 6710, 6820, 7015, 7130, 7564, 7843, 7930, 8060, 8723, 8866, 9269, 9455, 10120, 11224, 11960, 13156, 13420, 13640, 14030, 14260, 15128, 15433, 15686, 15860, 16120, 16445, 17446, 17732, 18239, 18538, 18910, 20801, 22165, 24583, 26312, 26840, 28060, 28520, 30866, 31372, 31720, 32890, 34892, 35464, 36478, 37076, 37820, 39215, 41602, 43493, 43615, 44330, 46345, 49166, 56120, 61732, 62744, 65780, 69784, 72956, 74152, 75640, 77165, 78430, 83204, 86986, 87230, 88660, 91195, 92690, 98332, 101959, 104005, 122915, 123464, 131560, 145912, 154330, 156860, 166408, 173972, 174460, 177320, 182390, 185380, 196664, 200629, 203918, 208010, 217465, 245830, 270413, 308660, 313720, 347944, 348920, 364780, 370760, 401258, 407836, 416020, 434930, 478423, 491660, 509795, 540826, 565409, 617320, 729560, 802516, 815672, 832040, 869860, 956846, 983320, 1003145, 1019590, 1081652, 1130818, 1352065, 1605032, 1739720, 1913692, 2006290, 2039180, 2163304, 2261636, 2392115, 2704130, 2827045, 3827384, 4012580, 4078360, 4523272, 4784230, 5408260, 5654090, 6219499, 8025160, 9568460, 10816520, 11308180, 12438998, 19136920, 22616360, 24877996, 31097495, 49755992, 62194990, 124389980, 248779960]

約数ペア:

[(1, 248779960), (2, 124389980), (4, 62194990), (5, 49755992), (8, 31097495), (10, 24877996), (11, 22616360), (13, 19136920), (20, 12438998), (22, 11308180), (23, 10816520), (26, 9568460), (31, 8025160), (40, 6219499), (44, 5654090), (46, 5408260), (52, 4784230), (55, 4523272), (61, 4078360), (62, 4012580), (65, 3827384), (88, 2827045), (92, 2704130), (104, 2392115), (110, 2261636), (115, 2163304), (122, 2039180), (124, 2006290), (130, 1913692), (143, 1739720), (155, 1605032), (184, 1352065), (220, 1130818), (230, 1081652), (244, 1019590), (248, 1003145), (253, 983320), (260, 956846), (286, 869860), (299, 832040), (305, 815672), (310, 802516), (341, 729560), (403, 617320), (440, 565409), (460, 540826), (488, 509795), (506, 491660), (520, 478423), (572, 434930), (598, 416020), (610, 407836), (620, 401258), (671, 370760), (682, 364780), (713, 348920), (715, 347944), (793, 313720), (806, 308660), (920, 270413), (1012, 245830), (1144, 217465), (1196, 208010), (1220, 203918), (1240, 200629), (1265, 196664), (1342, 185380), (1364, 182390), (1403, 177320), (1426, 174460), (1430, 173972), (1495, 166408), (1586, 156860), (1612, 154330), (1705, 145912), (1891, 131560), (2015, 123464), (2024, 122915), (2392, 104005), (2440, 101959), (2530, 98332), (2684, 92690), (2728, 91195), (2806, 88660), (2852, 87230), (2860, 86986), (2990, 83204), (3172, 78430), (3224, 77165), (3289, 75640), (3355, 74152), (3410, 72956), (3565, 69784), (3782, 65780), (3965, 62744), (4030, 61732), (4433, 56120), (5060, 49166), (5368, 46345), (5612, 44330), (5704, 43615), (5720, 43493), (5980, 41602), (6344, 39215), (6578, 37820), (6710, 37076), (6820, 36478), (7015, 35464), (7130, 34892), (7564, 32890), (7843, 31720), (7930, 31372), (8060, 30866), (8723, 28520), (8866, 28060), (9269, 26840), (9455, 26312), (10120, 24583), (11224, 22165), (11960, 20801), (13156, 18910), (13420, 18538), (13640, 18239), (14030, 17732), (14260, 17446), (15128, 16445), (15433, 16120), (15686, 15860)]