276780400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 790449408

約数和(自身を除く): 513669008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 31, 34, 40, 50, 52, 62, 65, 68, 80, 85, 100, 101, 104, 124, 130, 136, 155, 170, 200, 202, 208, 221, 248, 260, 272, 310, 325, 340, 400, 403, 404, 425, 442, 496, 505, 520, 527, 620, 650, 680, 775, 806, 808, 850, 884, 1010, 1040, 1054, 1105, 1240, 1300, 1313, 1360, 1550, 1612, 1616, 1700, 1717, 1768, 2015, 2020, 2108, 2210, 2480, 2525, 2600, 2626, 2635, 3100, 3131, 3224, 3400, 3434, 3536, 4030, 4040, 4216, 4420, 5050, 5200, 5252, 5270, 5525, 6200, 6262, 6448, 6565, 6800, 6851, 6868, 8060, 8080, 8432, 8585, 8840, 10075, 10100, 10504, 10540, 11050, 12400, 12524, 13130, 13175, 13702, 13736, 15655, 16120, 17170, 17680, 20150, 20200, 21008, 21080, 22100, 22321, 25048, 26260, 26350, 27404, 27472, 31310, 32240, 32825, 34255, 34340, 40300, 40400, 40703, 42160, 42925, 44200, 44642, 50096, 52520, 52700, 53227, 54808, 62620, 65650, 68510, 68680, 78275, 80600, 81406, 85850, 88400, 89284, 105040, 105400, 106454, 109616, 111605, 125240, 131300, 137020, 137360, 156550, 161200, 162812, 171275, 171700, 178568, 203515, 210800, 212908, 223210, 250480, 262600, 266135, 274040, 313100, 325624, 342550, 343400, 357136, 407030, 425816, 446420, 525200, 532270, 548080, 558025, 626200, 651248, 685100, 686800, 691951, 814060, 851632, 892840, 1017575, 1064540, 1116050, 1252400, 1330675, 1370200, 1383902, 1628120, 1785680, 2035150, 2129080, 2232100, 2661350, 2740400, 2767804, 3256240, 3459755, 4070300, 4258160, 4464200, 5322700, 5535608, 6919510, 8140600, 8928400, 10645400, 11071216, 13839020, 16281200, 17298775, 21290800, 27678040, 34597550, 55356080, 69195100, 138390200, 276780400]

約数ペア:

[(1, 276780400), (2, 138390200), (4, 69195100), (5, 55356080), (8, 34597550), (10, 27678040), (13, 21290800), (16, 17298775), (17, 16281200), (20, 13839020), (25, 11071216), (26, 10645400), (31, 8928400), (34, 8140600), (40, 6919510), (50, 5535608), (52, 5322700), (62, 4464200), (65, 4258160), (68, 4070300), (80, 3459755), (85, 3256240), (100, 2767804), (101, 2740400), (104, 2661350), (124, 2232100), (130, 2129080), (136, 2035150), (155, 1785680), (170, 1628120), (200, 1383902), (202, 1370200), (208, 1330675), (221, 1252400), (248, 1116050), (260, 1064540), (272, 1017575), (310, 892840), (325, 851632), (340, 814060), (400, 691951), (403, 686800), (404, 685100), (425, 651248), (442, 626200), (496, 558025), (505, 548080), (520, 532270), (527, 525200), (620, 446420), (650, 425816), (680, 407030), (775, 357136), (806, 343400), (808, 342550), (850, 325624), (884, 313100), (1010, 274040), (1040, 266135), (1054, 262600), (1105, 250480), (1240, 223210), (1300, 212908), (1313, 210800), (1360, 203515), (1550, 178568), (1612, 171700), (1616, 171275), (1700, 162812), (1717, 161200), (1768, 156550), (2015, 137360), (2020, 137020), (2108, 131300), (2210, 125240), (2480, 111605), (2525, 109616), (2600, 106454), (2626, 105400), (2635, 105040), (3100, 89284), (3131, 88400), (3224, 85850), (3400, 81406), (3434, 80600), (3536, 78275), (4030, 68680), (4040, 68510), (4216, 65650), (4420, 62620), (5050, 54808), (5200, 53227), (5252, 52700), (5270, 52520), (5525, 50096), (6200, 44642), (6262, 44200), (6448, 42925), (6565, 42160), (6800, 40703), (6851, 40400), (6868, 40300), (8060, 34340), (8080, 34255), (8432, 32825), (8585, 32240), (8840, 31310), (10075, 27472), (10100, 27404), (10504, 26350), (10540, 26260), (11050, 25048), (12400, 22321), (12524, 22100), (13130, 21080), (13175, 21008), (13702, 20200), (13736, 20150), (15655, 17680), (16120, 17170)]