19143720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 63783720

約数和(自身を除く): 44640000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1297, 1476, 1640, 1845, 2460, 2594, 2952, 3690, 3891, 4920, 5188, 6485, 7380, 7782, 10376, 11673, 12970, 14760, 15564, 19455, 23346, 25940, 31128, 38910, 46692, 51880, 53177, 58365, 77820, 93384, 106354, 116730, 155640, 159531, 212708, 233460, 265885, 319062, 425416, 466920, 478593, 531770, 638124, 797655, 957186, 1063540, 1276248, 1595310, 1914372, 2127080, 2392965, 3190620, 3828744, 4785930, 6381240, 9571860, 19143720]

約数ペア:

[(1, 19143720), (2, 9571860), (3, 6381240), (4, 4785930), (5, 3828744), (6, 3190620), (8, 2392965), (9, 2127080), (10, 1914372), (12, 1595310), (15, 1276248), (18, 1063540), (20, 957186), (24, 797655), (30, 638124), (36, 531770), (40, 478593), (41, 466920), (45, 425416), (60, 319062), (72, 265885), (82, 233460), (90, 212708), (120, 159531), (123, 155640), (164, 116730), (180, 106354), (205, 93384), (246, 77820), (328, 58365), (360, 53177), (369, 51880), (410, 46692), (492, 38910), (615, 31128), (738, 25940), (820, 23346), (984, 19455), (1230, 15564), (1297, 14760), (1476, 12970), (1640, 11673), (1845, 10376), (2460, 7782), (2594, 7380), (2952, 6485), (3690, 5188), (3891, 4920)]