245173560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 772968960

約数和(自身を除く): 527795400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 211, 230, 276, 345, 421, 422, 460, 552, 633, 690, 842, 844, 920, 1055, 1263, 1266, 1380, 1684, 1688, 2105, 2110, 2526, 2532, 2760, 3165, 3368, 4210, 4220, 4853, 5052, 5064, 6315, 6330, 8420, 8440, 9683, 9706, 10104, 12630, 12660, 14559, 16840, 19366, 19412, 24265, 25260, 25320, 29049, 29118, 38732, 38824, 48415, 48530, 50520, 58098, 58236, 72795, 77464, 88831, 96830, 97060, 116196, 116472, 145245, 145590, 177662, 193660, 194120, 232392, 266493, 290490, 291180, 355324, 387320, 444155, 532986, 580980, 582360, 710648, 888310, 1065972, 1161960, 1332465, 1776620, 2043113, 2131944, 2664930, 3553240, 4086226, 5329860, 6129339, 8172452, 10215565, 10659720, 12258678, 16344904, 20431130, 24517356, 30646695, 40862260, 49034712, 61293390, 81724520, 122586780, 245173560]

約数ペア:

[(1, 245173560), (2, 122586780), (3, 81724520), (4, 61293390), (5, 49034712), (6, 40862260), (8, 30646695), (10, 24517356), (12, 20431130), (15, 16344904), (20, 12258678), (23, 10659720), (24, 10215565), (30, 8172452), (40, 6129339), (46, 5329860), (60, 4086226), (69, 3553240), (92, 2664930), (115, 2131944), (120, 2043113), (138, 1776620), (184, 1332465), (211, 1161960), (230, 1065972), (276, 888310), (345, 710648), (421, 582360), (422, 580980), (460, 532986), (552, 444155), (633, 387320), (690, 355324), (842, 291180), (844, 290490), (920, 266493), (1055, 232392), (1263, 194120), (1266, 193660), (1380, 177662), (1684, 145590), (1688, 145245), (2105, 116472), (2110, 116196), (2526, 97060), (2532, 96830), (2760, 88831), (3165, 77464), (3368, 72795), (4210, 58236), (4220, 58098), (4853, 50520), (5052, 48530), (5064, 48415), (6315, 38824), (6330, 38732), (8420, 29118), (8440, 29049), (9683, 25320), (9706, 25260), (10104, 24265), (12630, 19412), (12660, 19366), (14559, 16840)]