28953720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 108864000

約数和(自身を除く): 79910280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 27, 30, 34, 36, 38, 40, 45, 51, 54, 57, 60, 68, 72, 76, 83, 85, 90, 95, 102, 108, 114, 120, 135, 136, 152, 153, 166, 170, 171, 180, 190, 204, 216, 228, 249, 255, 270, 285, 306, 323, 332, 340, 342, 360, 380, 408, 415, 456, 459, 498, 510, 513, 540, 570, 612, 646, 664, 680, 684, 747, 760, 765, 830, 855, 918, 969, 996, 1020, 1026, 1080, 1140, 1224, 1245, 1292, 1368, 1411, 1494, 1530, 1577, 1615, 1660, 1710, 1836, 1938, 1992, 2040, 2052, 2241, 2280, 2295, 2490, 2565, 2584, 2822, 2907, 2988, 3060, 3154, 3230, 3320, 3420, 3672, 3735, 3876, 4104, 4233, 4482, 4590, 4731, 4845, 4980, 5130, 5644, 5814, 5976, 6120, 6308, 6460, 6840, 7055, 7470, 7752, 7885, 8466, 8721, 8964, 9180, 9462, 9690, 9960, 10260, 11205, 11288, 11628, 12616, 12699, 12920, 14110, 14193, 14535, 14940, 15770, 16932, 17442, 17928, 18360, 18924, 19380, 20520, 21165, 22410, 23256, 23655, 25398, 26809, 28220, 28386, 29070, 29880, 31540, 33864, 34884, 37848, 38097, 38760, 42330, 42579, 43605, 44820, 47310, 50796, 53618, 56440, 56772, 58140, 63080, 63495, 69768, 70965, 76194, 80427, 84660, 85158, 87210, 89640, 94620, 101592, 107236, 113544, 116280, 126990, 134045, 141930, 152388, 160854, 169320, 170316, 174420, 189240, 190485, 212895, 214472, 241281, 253980, 268090, 283860, 304776, 321708, 340632, 348840, 380970, 402135, 425790, 482562, 507960, 536180, 567720, 643416, 723843, 761940, 804270, 851580, 965124, 1072360, 1206405, 1447686, 1523880, 1608540, 1703160, 1930248, 2412810, 2895372, 3217080, 3619215, 4825620, 5790744, 7238430, 9651240, 14476860, 28953720]

約数ペア:

[(1, 28953720), (2, 14476860), (3, 9651240), (4, 7238430), (5, 5790744), (6, 4825620), (8, 3619215), (9, 3217080), (10, 2895372), (12, 2412810), (15, 1930248), (17, 1703160), (18, 1608540), (19, 1523880), (20, 1447686), (24, 1206405), (27, 1072360), (30, 965124), (34, 851580), (36, 804270), (38, 761940), (40, 723843), (45, 643416), (51, 567720), (54, 536180), (57, 507960), (60, 482562), (68, 425790), (72, 402135), (76, 380970), (83, 348840), (85, 340632), (90, 321708), (95, 304776), (102, 283860), (108, 268090), (114, 253980), (120, 241281), (135, 214472), (136, 212895), (152, 190485), (153, 189240), (166, 174420), (170, 170316), (171, 169320), (180, 160854), (190, 152388), (204, 141930), (216, 134045), (228, 126990), (249, 116280), (255, 113544), (270, 107236), (285, 101592), (306, 94620), (323, 89640), (332, 87210), (340, 85158), (342, 84660), (360, 80427), (380, 76194), (408, 70965), (415, 69768), (456, 63495), (459, 63080), (498, 58140), (510, 56772), (513, 56440), (540, 53618), (570, 50796), (612, 47310), (646, 44820), (664, 43605), (680, 42579), (684, 42330), (747, 38760), (760, 38097), (765, 37848), (830, 34884), (855, 33864), (918, 31540), (969, 29880), (996, 29070), (1020, 28386), (1026, 28220), (1080, 26809), (1140, 25398), (1224, 23655), (1245, 23256), (1292, 22410), (1368, 21165), (1411, 20520), (1494, 19380), (1530, 18924), (1577, 18360), (1615, 17928), (1660, 17442), (1710, 16932), (1836, 15770), (1938, 14940), (1992, 14535), (2040, 14193), (2052, 14110), (2241, 12920), (2280, 12699), (2295, 12616), (2490, 11628), (2565, 11288), (2584, 11205), (2822, 10260), (2907, 9960), (2988, 9690), (3060, 9462), (3154, 9180), (3230, 8964), (3320, 8721), (3420, 8466), (3672, 7885), (3735, 7752), (3876, 7470), (4104, 7055), (4233, 6840), (4482, 6460), (4590, 6308), (4731, 6120), (4845, 5976), (4980, 5814), (5130, 5644)]