399966480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:874

約数の個数: 240

約数和(自身を含む): 1458750384

約数和(自身を除く): 1058783904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 41, 45, 48, 51, 60, 68, 72, 80, 82, 85, 90, 102, 120, 123, 136, 144, 153, 164, 170, 180, 204, 205, 240, 246, 255, 272, 306, 328, 340, 360, 369, 408, 410, 492, 510, 612, 615, 656, 680, 697, 720, 738, 765, 797, 816, 820, 984, 1020, 1224, 1230, 1360, 1394, 1476, 1530, 1594, 1640, 1845, 1968, 2040, 2091, 2391, 2448, 2460, 2788, 2952, 3060, 3188, 3280, 3485, 3690, 3985, 4080, 4182, 4782, 4920, 5576, 5904, 6120, 6273, 6376, 6970, 7173, 7380, 7970, 8364, 9564, 9840, 10455, 11152, 11955, 12240, 12546, 12752, 13549, 13940, 14346, 14760, 15940, 16728, 19128, 20910, 23910, 25092, 27098, 27880, 28692, 29520, 31365, 31880, 32677, 33456, 35865, 38256, 40647, 41820, 47820, 50184, 54196, 55760, 57384, 62730, 63760, 65354, 67745, 71730, 81294, 83640, 95640, 98031, 100368, 108392, 114768, 121941, 125460, 130708, 135490, 143460, 162588, 163385, 167280, 191280, 196062, 203235, 216784, 243882, 250920, 261416, 270980, 286920, 294093, 325176, 326770, 392124, 406470, 487764, 490155, 501840, 522832, 541960, 555509, 573840, 588186, 609705, 650352, 653540, 784248, 812940, 975528, 980310, 1083920, 1111018, 1176372, 1219410, 1307080, 1470465, 1568496, 1625880, 1666527, 1951056, 1960620, 2222036, 2352744, 2438820, 2614160, 2777545, 2940930, 3251760, 3333054, 3921240, 4444072, 4705488, 4877640, 4999581, 5555090, 5881860, 6666108, 7842480, 8332635, 8888144, 9755280, 9999162, 11110180, 11763720, 13332216, 16665270, 19998324, 22220360, 23527440, 24997905, 26664432, 33330540, 39996648, 44440720, 49995810, 66661080, 79993296, 99991620, 133322160, 199983240, 399966480]

約数ペア:

[(1, 399966480), (2, 199983240), (3, 133322160), (4, 99991620), (5, 79993296), (6, 66661080), (8, 49995810), (9, 44440720), (10, 39996648), (12, 33330540), (15, 26664432), (16, 24997905), (17, 23527440), (18, 22220360), (20, 19998324), (24, 16665270), (30, 13332216), (34, 11763720), (36, 11110180), (40, 9999162), (41, 9755280), (45, 8888144), (48, 8332635), (51, 7842480), (60, 6666108), (68, 5881860), (72, 5555090), (80, 4999581), (82, 4877640), (85, 4705488), (90, 4444072), (102, 3921240), (120, 3333054), (123, 3251760), (136, 2940930), (144, 2777545), (153, 2614160), (164, 2438820), (170, 2352744), (180, 2222036), (204, 1960620), (205, 1951056), (240, 1666527), (246, 1625880), (255, 1568496), (272, 1470465), (306, 1307080), (328, 1219410), (340, 1176372), (360, 1111018), (369, 1083920), (408, 980310), (410, 975528), (492, 812940), (510, 784248), (612, 653540), (615, 650352), (656, 609705), (680, 588186), (697, 573840), (720, 555509), (738, 541960), (765, 522832), (797, 501840), (816, 490155), (820, 487764), (984, 406470), (1020, 392124), (1224, 326770), (1230, 325176), (1360, 294093), (1394, 286920), (1476, 270980), (1530, 261416), (1594, 250920), (1640, 243882), (1845, 216784), (1968, 203235), (2040, 196062), (2091, 191280), (2391, 167280), (2448, 163385), (2460, 162588), (2788, 143460), (2952, 135490), (3060, 130708), (3188, 125460), (3280, 121941), (3485, 114768), (3690, 108392), (3985, 100368), (4080, 98031), (4182, 95640), (4782, 83640), (4920, 81294), (5576, 71730), (5904, 67745), (6120, 65354), (6273, 63760), (6376, 62730), (6970, 57384), (7173, 55760), (7380, 54196), (7970, 50184), (8364, 47820), (9564, 41820), (9840, 40647), (10455, 38256), (11152, 35865), (11955, 33456), (12240, 32677), (12546, 31880), (12752, 31365), (13549, 29520), (13940, 28692), (14346, 27880), (14760, 27098), (15940, 25092), (16728, 23910), (19128, 20910)]