420167580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:828

約数の個数: 192

約数和(自身を含む): 1442810880

約数和(自身を除く): 1022643300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 83, 84, 85, 102, 105, 119, 140, 166, 170, 204, 210, 238, 249, 255, 332, 340, 357, 415, 420, 476, 498, 510, 581, 595, 709, 714, 830, 996, 1020, 1162, 1190, 1245, 1411, 1418, 1428, 1660, 1743, 1785, 2127, 2324, 2380, 2490, 2822, 2836, 2905, 3486, 3545, 3570, 4233, 4254, 4963, 4980, 5644, 5810, 6972, 7055, 7090, 7140, 8466, 8508, 8715, 9877, 9926, 10635, 11620, 12053, 14110, 14180, 14889, 16932, 17430, 19754, 19852, 21165, 21270, 24106, 24815, 28220, 29631, 29778, 34860, 36159, 39508, 42330, 42540, 48212, 49385, 49630, 58847, 59262, 59556, 60265, 72318, 74445, 84371, 84660, 98770, 99260, 117694, 118524, 120530, 144636, 148155, 148890, 168742, 176541, 180795, 197540, 235388, 241060, 253113, 294235, 296310, 297780, 337484, 353082, 361590, 411929, 421855, 506226, 588470, 592620, 706164, 723180, 823858, 843710, 882705, 1000399, 1012452, 1176940, 1235787, 1265565, 1647716, 1687420, 1765410, 2000798, 2059645, 2471574, 2531130, 3001197, 3530820, 4001596, 4119290, 4943148, 5001995, 5062260, 6002394, 6178935, 7002793, 8238580, 10003990, 12004788, 12357870, 14005586, 15005985, 20007980, 21008379, 24715740, 28011172, 30011970, 35013965, 42016758, 60023940, 70027930, 84033516, 105041895, 140055860, 210083790, 420167580]

約数ペア:

[(1, 420167580), (2, 210083790), (3, 140055860), (4, 105041895), (5, 84033516), (6, 70027930), (7, 60023940), (10, 42016758), (12, 35013965), (14, 30011970), (15, 28011172), (17, 24715740), (20, 21008379), (21, 20007980), (28, 15005985), (30, 14005586), (34, 12357870), (35, 12004788), (42, 10003990), (51, 8238580), (60, 7002793), (68, 6178935), (70, 6002394), (83, 5062260), (84, 5001995), (85, 4943148), (102, 4119290), (105, 4001596), (119, 3530820), (140, 3001197), (166, 2531130), (170, 2471574), (204, 2059645), (210, 2000798), (238, 1765410), (249, 1687420), (255, 1647716), (332, 1265565), (340, 1235787), (357, 1176940), (415, 1012452), (420, 1000399), (476, 882705), (498, 843710), (510, 823858), (581, 723180), (595, 706164), (709, 592620), (714, 588470), (830, 506226), (996, 421855), (1020, 411929), (1162, 361590), (1190, 353082), (1245, 337484), (1411, 297780), (1418, 296310), (1428, 294235), (1660, 253113), (1743, 241060), (1785, 235388), (2127, 197540), (2324, 180795), (2380, 176541), (2490, 168742), (2822, 148890), (2836, 148155), (2905, 144636), (3486, 120530), (3545, 118524), (3570, 117694), (4233, 99260), (4254, 98770), (4963, 84660), (4980, 84371), (5644, 74445), (5810, 72318), (6972, 60265), (7055, 59556), (7090, 59262), (7140, 58847), (8466, 49630), (8508, 49385), (8715, 48212), (9877, 42540), (9926, 42330), (10635, 39508), (11620, 36159), (12053, 34860), (14110, 29778), (14180, 29631), (14889, 28220), (16932, 24815), (17430, 24106), (19754, 21270), (19852, 21165)]