280198620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 941627232

約数和(自身を除く): 661428612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 151, 156, 169, 180, 183, 195, 234, 244, 260, 302, 305, 338, 366, 390, 453, 468, 507, 549, 585, 604, 610, 676, 732, 755, 780, 793, 845, 906, 915, 1014, 1098, 1170, 1220, 1359, 1510, 1521, 1586, 1690, 1812, 1830, 1963, 2028, 2196, 2265, 2340, 2379, 2535, 2718, 2745, 3020, 3042, 3172, 3380, 3660, 3926, 3965, 4530, 4758, 5070, 5436, 5490, 5889, 6084, 6795, 7137, 7605, 7852, 7930, 9060, 9211, 9516, 9815, 10140, 10309, 10980, 11778, 11895, 13590, 14274, 15210, 15860, 17667, 18422, 19630, 20618, 23556, 23790, 25519, 27180, 27633, 28548, 29445, 30420, 30927, 35334, 35685, 36844, 39260, 41236, 46055, 47580, 51038, 51545, 55266, 58890, 61854, 70668, 71370, 76557, 82899, 88335, 92110, 92781, 102076, 103090, 110532, 117780, 119743, 123708, 127595, 138165, 142740, 153114, 154635, 165798, 176670, 184220, 185562, 206180, 229671, 239486, 255190, 276330, 306228, 309270, 331596, 353340, 359229, 371124, 382785, 414495, 459342, 463905, 478972, 510380, 552660, 598715, 618540, 718458, 765570, 828990, 918684, 927810, 1077687, 1148355, 1197430, 1436916, 1531140, 1556659, 1657980, 1796145, 1855620, 2155374, 2296710, 2394860, 3113318, 3592290, 4310748, 4593420, 4669977, 5388435, 6226636, 7184580, 7783295, 9339954, 10776870, 14009931, 15566590, 18679908, 21553740, 23349885, 28019862, 31133180, 46699770, 56039724, 70049655, 93399540, 140099310, 280198620]

約数ペア:

[(1, 280198620), (2, 140099310), (3, 93399540), (4, 70049655), (5, 56039724), (6, 46699770), (9, 31133180), (10, 28019862), (12, 23349885), (13, 21553740), (15, 18679908), (18, 15566590), (20, 14009931), (26, 10776870), (30, 9339954), (36, 7783295), (39, 7184580), (45, 6226636), (52, 5388435), (60, 4669977), (61, 4593420), (65, 4310748), (78, 3592290), (90, 3113318), (117, 2394860), (122, 2296710), (130, 2155374), (151, 1855620), (156, 1796145), (169, 1657980), (180, 1556659), (183, 1531140), (195, 1436916), (234, 1197430), (244, 1148355), (260, 1077687), (302, 927810), (305, 918684), (338, 828990), (366, 765570), (390, 718458), (453, 618540), (468, 598715), (507, 552660), (549, 510380), (585, 478972), (604, 463905), (610, 459342), (676, 414495), (732, 382785), (755, 371124), (780, 359229), (793, 353340), (845, 331596), (906, 309270), (915, 306228), (1014, 276330), (1098, 255190), (1170, 239486), (1220, 229671), (1359, 206180), (1510, 185562), (1521, 184220), (1586, 176670), (1690, 165798), (1812, 154635), (1830, 153114), (1963, 142740), (2028, 138165), (2196, 127595), (2265, 123708), (2340, 119743), (2379, 117780), (2535, 110532), (2718, 103090), (2745, 102076), (3020, 92781), (3042, 92110), (3172, 88335), (3380, 82899), (3660, 76557), (3926, 71370), (3965, 70668), (4530, 61854), (4758, 58890), (5070, 55266), (5436, 51545), (5490, 51038), (5889, 47580), (6084, 46055), (6795, 41236), (7137, 39260), (7605, 36844), (7852, 35685), (7930, 35334), (9060, 30927), (9211, 30420), (9516, 29445), (9815, 28548), (10140, 27633), (10309, 27180), (10980, 25519), (11778, 23790), (11895, 23556), (13590, 20618), (14274, 19630), (15210, 18422), (15860, 17667)]