280867440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5393}}^1$

素因数の和:5447

約数の個数: 160

約数和(自身を含む): 1027362816

約数和(自身を除く): 746495376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 5393, 6510, 7440, 8680, 10416, 10786, 13020, 16179, 17360, 21572, 26040, 26965, 32358, 37751, 43144, 52080, 53930, 64716, 75502, 80895, 86288, 107860, 113253, 129432, 151004, 161790, 167183, 188755, 215720, 226506, 258864, 302008, 323580, 334366, 377510, 431440, 453012, 501549, 566265, 604016, 647160, 668732, 755020, 835915, 906024, 1003098, 1132530, 1170281, 1294320, 1337464, 1510040, 1671830, 1812048, 2006196, 2265060, 2340562, 2507745, 2674928, 3020080, 3343660, 3510843, 4012392, 4530120, 4681124, 5015490, 5851405, 6687320, 7021686, 8024784, 9060240, 9362248, 10030980, 11702810, 13374640, 14043372, 17554215, 18724496, 20061960, 23405620, 28086744, 35108430, 40123920, 46811240, 56173488, 70216860, 93622480, 140433720, 280867440]

約数ペア:

[(1, 280867440), (2, 140433720), (3, 93622480), (4, 70216860), (5, 56173488), (6, 46811240), (7, 40123920), (8, 35108430), (10, 28086744), (12, 23405620), (14, 20061960), (15, 18724496), (16, 17554215), (20, 14043372), (21, 13374640), (24, 11702810), (28, 10030980), (30, 9362248), (31, 9060240), (35, 8024784), (40, 7021686), (42, 6687320), (48, 5851405), (56, 5015490), (60, 4681124), (62, 4530120), (70, 4012392), (80, 3510843), (84, 3343660), (93, 3020080), (105, 2674928), (112, 2507745), (120, 2340562), (124, 2265060), (140, 2006196), (155, 1812048), (168, 1671830), (186, 1510040), (210, 1337464), (217, 1294320), (240, 1170281), (248, 1132530), (280, 1003098), (310, 906024), (336, 835915), (372, 755020), (420, 668732), (434, 647160), (465, 604016), (496, 566265), (560, 501549), (620, 453012), (651, 431440), (744, 377510), (840, 334366), (868, 323580), (930, 302008), (1085, 258864), (1240, 226506), (1302, 215720), (1488, 188755), (1680, 167183), (1736, 161790), (1860, 151004), (2170, 129432), (2480, 113253), (2604, 107860), (3255, 86288), (3472, 80895), (3720, 75502), (4340, 64716), (5208, 53930), (5393, 52080), (6510, 43144), (7440, 37751), (8680, 32358), (10416, 26965), (10786, 26040), (13020, 21572), (16179, 17360)]