620473140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 288

約数和(自身を含む): 2311545600

約数和(自身を除く): 1691072460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 83, 84, 85, 90, 102, 105, 119, 126, 140, 153, 166, 170, 180, 204, 210, 238, 249, 252, 255, 306, 315, 332, 340, 349, 357, 415, 420, 476, 498, 510, 581, 595, 612, 630, 698, 714, 747, 765, 830, 996, 1020, 1047, 1071, 1162, 1190, 1245, 1260, 1396, 1411, 1428, 1494, 1530, 1660, 1743, 1745, 1785, 2094, 2142, 2324, 2380, 2443, 2490, 2822, 2905, 2988, 3060, 3141, 3486, 3490, 3570, 3735, 4188, 4233, 4284, 4886, 4980, 5229, 5235, 5355, 5644, 5810, 5933, 6282, 6972, 6980, 7055, 7140, 7329, 7470, 8466, 8715, 9772, 9877, 10458, 10470, 10710, 11620, 11866, 12215, 12564, 12699, 14110, 14658, 14940, 15705, 16932, 17430, 17799, 19754, 20916, 20940, 21165, 21420, 21987, 23732, 24430, 25398, 26145, 28220, 28967, 29316, 29631, 29665, 31410, 34860, 35598, 36645, 39508, 41531, 42330, 43974, 48860, 49385, 50796, 52290, 53397, 57934, 59262, 59330, 62820, 63495, 71196, 73290, 83062, 84660, 86901, 87948, 88893, 88995, 98770, 104580, 106794, 109935, 115868, 118524, 118660, 124593, 126990, 144835, 146580, 148155, 166124, 173802, 177786, 177990, 197540, 202769, 207655, 213588, 219870, 249186, 253980, 260703, 266985, 289670, 296310, 347604, 355572, 355980, 373779, 405538, 415310, 434505, 439740, 444465, 492439, 498372, 521406, 533970, 579340, 592620, 608307, 622965, 747558, 811076, 830620, 869010, 888930, 984878, 1013845, 1042812, 1067940, 1216614, 1245930, 1303515, 1477317, 1495116, 1738020, 1777860, 1824921, 1868895, 1969756, 2027690, 2433228, 2462195, 2491860, 2607030, 2954634, 3041535, 3447073, 3649842, 3737790, 4055380, 4431951, 4924390, 5214060, 5909268, 6083070, 6894146, 7299684, 7386585, 7475580, 8863902, 9124605, 9848780, 10341219, 12166140, 13788292, 14773170, 17235365, 17727804, 18249210, 20682438, 22159755, 29546340, 31023657, 34470730, 36498420, 41364876, 44319510, 51706095, 62047314, 68941460, 88639020, 103412190, 124094628, 155118285, 206824380, 310236570, 620473140]

約数ペア:

[(1, 620473140), (2, 310236570), (3, 206824380), (4, 155118285), (5, 124094628), (6, 103412190), (7, 88639020), (9, 68941460), (10, 62047314), (12, 51706095), (14, 44319510), (15, 41364876), (17, 36498420), (18, 34470730), (20, 31023657), (21, 29546340), (28, 22159755), (30, 20682438), (34, 18249210), (35, 17727804), (36, 17235365), (42, 14773170), (45, 13788292), (51, 12166140), (60, 10341219), (63, 9848780), (68, 9124605), (70, 8863902), (83, 7475580), (84, 7386585), (85, 7299684), (90, 6894146), (102, 6083070), (105, 5909268), (119, 5214060), (126, 4924390), (140, 4431951), (153, 4055380), (166, 3737790), (170, 3649842), (180, 3447073), (204, 3041535), (210, 2954634), (238, 2607030), (249, 2491860), (252, 2462195), (255, 2433228), (306, 2027690), (315, 1969756), (332, 1868895), (340, 1824921), (349, 1777860), (357, 1738020), (415, 1495116), (420, 1477317), (476, 1303515), (498, 1245930), (510, 1216614), (581, 1067940), (595, 1042812), (612, 1013845), (630, 984878), (698, 888930), (714, 869010), (747, 830620), (765, 811076), (830, 747558), (996, 622965), (1020, 608307), (1047, 592620), (1071, 579340), (1162, 533970), (1190, 521406), (1245, 498372), (1260, 492439), (1396, 444465), (1411, 439740), (1428, 434505), (1494, 415310), (1530, 405538), (1660, 373779), (1743, 355980), (1745, 355572), (1785, 347604), (2094, 296310), (2142, 289670), (2324, 266985), (2380, 260703), (2443, 253980), (2490, 249186), (2822, 219870), (2905, 213588), (2988, 207655), (3060, 202769), (3141, 197540), (3486, 177990), (3490, 177786), (3570, 173802), (3735, 166124), (4188, 148155), (4233, 146580), (4284, 144835), (4886, 126990), (4980, 124593), (5229, 118660), (5235, 118524), (5355, 115868), (5644, 109935), (5810, 106794), (5933, 104580), (6282, 98770), (6972, 88995), (6980, 88893), (7055, 87948), (7140, 86901), (7329, 84660), (7470, 83062), (8466, 73290), (8715, 71196), (9772, 63495), (9877, 62820), (10458, 59330), (10470, 59262), (10710, 57934), (11620, 53397), (11866, 52290), (12215, 50796), (12564, 49385), (12699, 48860), (14110, 43974), (14658, 42330), (14940, 41531), (15705, 39508), (16932, 36645), (17430, 35598), (17799, 34860), (19754, 31410), (20916, 29665), (20940, 29631), (21165, 29316), (21420, 28967), (21987, 28220), (23732, 26145), (24430, 25398)]