20129378100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{87481}}^1$

素因数の和:87570

約数の個数: 144

約数和(自身を含む): 63784875840

約数和(自身を除く): 43655497740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 59, 60, 65, 75, 78, 100, 118, 130, 150, 156, 177, 195, 236, 260, 295, 300, 325, 354, 390, 590, 650, 708, 767, 780, 885, 975, 1180, 1300, 1475, 1534, 1770, 1950, 2301, 2950, 3068, 3540, 3835, 3900, 4425, 4602, 5900, 7670, 8850, 9204, 11505, 15340, 17700, 19175, 23010, 38350, 46020, 57525, 76700, 87481, 115050, 174962, 230100, 262443, 349924, 437405, 524886, 874810, 1049772, 1137253, 1312215, 1749620, 2187025, 2274506, 2624430, 3411759, 4374050, 4549012, 5161379, 5248860, 5686265, 6561075, 6823518, 8748100, 10322758, 11372530, 13122150, 13647036, 15484137, 17058795, 20645516, 22745060, 25806895, 26244300, 28431325, 30968274, 34117590, 51613790, 56862650, 61936548, 67097927, 68235180, 77420685, 85293975, 103227580, 113725300, 129034475, 134195854, 154841370, 170587950, 201293781, 258068950, 268391708, 309682740, 335489635, 341175900, 387103425, 402587562, 516137900, 670979270, 774206850, 805175124, 1006468905, 1341958540, 1548413700, 1677448175, 2012937810, 3354896350, 4025875620, 5032344525, 6709792700, 10064689050, 20129378100]

約数ペア:

[(1, 20129378100), (2, 10064689050), (3, 6709792700), (4, 5032344525), (5, 4025875620), (6, 3354896350), (10, 2012937810), (12, 1677448175), (13, 1548413700), (15, 1341958540), (20, 1006468905), (25, 805175124), (26, 774206850), (30, 670979270), (39, 516137900), (50, 402587562), (52, 387103425), (59, 341175900), (60, 335489635), (65, 309682740), (75, 268391708), (78, 258068950), (100, 201293781), (118, 170587950), (130, 154841370), (150, 134195854), (156, 129034475), (177, 113725300), (195, 103227580), (236, 85293975), (260, 77420685), (295, 68235180), (300, 67097927), (325, 61936548), (354, 56862650), (390, 51613790), (590, 34117590), (650, 30968274), (708, 28431325), (767, 26244300), (780, 25806895), (885, 22745060), (975, 20645516), (1180, 17058795), (1300, 15484137), (1475, 13647036), (1534, 13122150), (1770, 11372530), (1950, 10322758), (2301, 8748100), (2950, 6823518), (3068, 6561075), (3540, 5686265), (3835, 5248860), (3900, 5161379), (4425, 4549012), (4602, 4374050), (5900, 3411759), (7670, 2624430), (8850, 2274506), (9204, 2187025), (11505, 1749620), (15340, 1312215), (17700, 1137253), (19175, 1049772), (23010, 874810), (38350, 524886), (46020, 437405), (57525, 349924), (76700, 262443), (87481, 230100), (115050, 174962)]