278331390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 120

約数和(自身を含む): 772240392

約数和(自身を除く): 493909002

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 251, 270, 333, 370, 405, 502, 555, 666, 753, 810, 999, 1110, 1255, 1369, 1506, 1665, 1998, 2259, 2510, 2738, 2997, 3330, 3765, 4107, 4518, 4995, 5994, 6777, 6845, 7530, 8214, 9287, 9990, 11295, 12321, 13554, 13690, 14985, 18574, 20331, 20535, 22590, 24642, 27861, 29970, 33885, 36963, 40662, 41070, 46435, 55722, 61605, 67770, 73926, 83583, 92870, 101655, 110889, 123210, 139305, 167166, 184815, 203310, 221778, 250749, 278610, 343619, 369630, 417915, 501498, 554445, 687238, 752247, 835830, 1030857, 1108890, 1253745, 1504494, 1718095, 2061714, 2507490, 3092571, 3436190, 3761235, 5154285, 6185142, 7522470, 9277713, 10308570, 15462855, 18555426, 27833139, 30925710, 46388565, 55666278, 92777130, 139165695, 278331390]

約数ペア:

[(1, 278331390), (2, 139165695), (3, 92777130), (5, 55666278), (6, 46388565), (9, 30925710), (10, 27833139), (15, 18555426), (18, 15462855), (27, 10308570), (30, 9277713), (37, 7522470), (45, 6185142), (54, 5154285), (74, 3761235), (81, 3436190), (90, 3092571), (111, 2507490), (135, 2061714), (162, 1718095), (185, 1504494), (222, 1253745), (251, 1108890), (270, 1030857), (333, 835830), (370, 752247), (405, 687238), (502, 554445), (555, 501498), (666, 417915), (753, 369630), (810, 343619), (999, 278610), (1110, 250749), (1255, 221778), (1369, 203310), (1506, 184815), (1665, 167166), (1998, 139305), (2259, 123210), (2510, 110889), (2738, 101655), (2997, 92870), (3330, 83583), (3765, 73926), (4107, 67770), (4518, 61605), (4995, 55722), (5994, 46435), (6777, 41070), (6845, 40662), (7530, 36963), (8214, 33885), (9287, 29970), (9990, 27861), (11295, 24642), (12321, 22590), (13554, 20535), (13690, 20331), (14985, 18574)]