15999720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 256

約数和(自身を含む): 59719680

約数和(自身を除く): 43719960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 23, 24, 30, 31, 33, 34, 40, 44, 46, 51, 55, 60, 62, 66, 68, 69, 85, 88, 92, 93, 102, 110, 115, 120, 124, 132, 136, 138, 155, 165, 170, 184, 186, 187, 204, 220, 230, 248, 253, 255, 264, 276, 310, 330, 340, 341, 345, 372, 374, 391, 408, 440, 460, 465, 506, 510, 527, 552, 561, 620, 660, 680, 682, 690, 713, 744, 748, 759, 782, 920, 930, 935, 1012, 1020, 1023, 1054, 1122, 1173, 1240, 1265, 1320, 1364, 1380, 1426, 1496, 1518, 1564, 1581, 1705, 1860, 1870, 1955, 2024, 2040, 2046, 2108, 2139, 2244, 2346, 2530, 2635, 2728, 2760, 2805, 2852, 3036, 3128, 3162, 3410, 3565, 3720, 3740, 3795, 3910, 4092, 4216, 4278, 4301, 4488, 4692, 5060, 5115, 5270, 5610, 5704, 5797, 5865, 6072, 6324, 6820, 7130, 7480, 7590, 7820, 7843, 7905, 8184, 8556, 8602, 9384, 10120, 10230, 10540, 10695, 11220, 11594, 11730, 12121, 12648, 12903, 13640, 14260, 15180, 15640, 15686, 15810, 17112, 17204, 17391, 20460, 21080, 21390, 21505, 22440, 23188, 23460, 23529, 24242, 25806, 28520, 28985, 30360, 31372, 31620, 34408, 34782, 36363, 39215, 40920, 42780, 43010, 46376, 46920, 47058, 48484, 51612, 57970, 60605, 62744, 63240, 64515, 69564, 72726, 78430, 85560, 86020, 86955, 94116, 96968, 103224, 115940, 117645, 121210, 129030, 133331, 139128, 145452, 156860, 172040, 173910, 181815, 188232, 231880, 235290, 242420, 258060, 266662, 290904, 313720, 347820, 363630, 399993, 470580, 484840, 516120, 533324, 666655, 695640, 727260, 799986, 941160, 1066648, 1333310, 1454520, 1599972, 1999965, 2666620, 3199944, 3999930, 5333240, 7999860, 15999720]

約数ペア:

[(1, 15999720), (2, 7999860), (3, 5333240), (4, 3999930), (5, 3199944), (6, 2666620), (8, 1999965), (10, 1599972), (11, 1454520), (12, 1333310), (15, 1066648), (17, 941160), (20, 799986), (22, 727260), (23, 695640), (24, 666655), (30, 533324), (31, 516120), (33, 484840), (34, 470580), (40, 399993), (44, 363630), (46, 347820), (51, 313720), (55, 290904), (60, 266662), (62, 258060), (66, 242420), (68, 235290), (69, 231880), (85, 188232), (88, 181815), (92, 173910), (93, 172040), (102, 156860), (110, 145452), (115, 139128), (120, 133331), (124, 129030), (132, 121210), (136, 117645), (138, 115940), (155, 103224), (165, 96968), (170, 94116), (184, 86955), (186, 86020), (187, 85560), (204, 78430), (220, 72726), (230, 69564), (248, 64515), (253, 63240), (255, 62744), (264, 60605), (276, 57970), (310, 51612), (330, 48484), (340, 47058), (341, 46920), (345, 46376), (372, 43010), (374, 42780), (391, 40920), (408, 39215), (440, 36363), (460, 34782), (465, 34408), (506, 31620), (510, 31372), (527, 30360), (552, 28985), (561, 28520), (620, 25806), (660, 24242), (680, 23529), (682, 23460), (690, 23188), (713, 22440), (744, 21505), (748, 21390), (759, 21080), (782, 20460), (920, 17391), (930, 17204), (935, 17112), (1012, 15810), (1020, 15686), (1023, 15640), (1054, 15180), (1122, 14260), (1173, 13640), (1240, 12903), (1265, 12648), (1320, 12121), (1364, 11730), (1380, 11594), (1426, 11220), (1496, 10695), (1518, 10540), (1564, 10230), (1581, 10120), (1705, 9384), (1860, 8602), (1870, 8556), (1955, 8184), (2024, 7905), (2040, 7843), (2046, 7820), (2108, 7590), (2139, 7480), (2244, 7130), (2346, 6820), (2530, 6324), (2635, 6072), (2728, 5865), (2760, 5797), (2805, 5704), (2852, 5610), (3036, 5270), (3128, 5115), (3162, 5060), (3410, 4692), (3565, 4488), (3720, 4301), (3740, 4278), (3795, 4216), (3910, 4092)]