648295560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5281}}^1$

素因数の和:5340

約数の個数: 192

約数和(自身を含む): 2373096960

約数和(自身を除く): 1724801400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1705, 1860, 1980, 2046, 2232, 2728, 2790, 3069, 3410, 3720, 3960, 4092, 5115, 5281, 5580, 6138, 6820, 8184, 10230, 10562, 11160, 12276, 13640, 15345, 15843, 20460, 21124, 24552, 26405, 30690, 31686, 40920, 42248, 47529, 52810, 58091, 61380, 63372, 79215, 95058, 105620, 116182, 122760, 126744, 158430, 163711, 174273, 190116, 211240, 232364, 237645, 290455, 316860, 327422, 348546, 380232, 464728, 475290, 491133, 522819, 580910, 633720, 654844, 697092, 818555, 871365, 950580, 982266, 1045638, 1161820, 1309688, 1394184, 1473399, 1637110, 1742730, 1800821, 1901160, 1964532, 2091276, 2323640, 2455665, 2614095, 2946798, 3274220, 3485460, 3601642, 3929064, 4182552, 4911330, 5228190, 5402463, 5893596, 6548440, 6970920, 7203284, 7366995, 9004105, 9822660, 10456380, 10804926, 11787192, 14406568, 14733990, 16207389, 18008210, 19645320, 20912760, 21609852, 27012315, 29467980, 32414778, 36016420, 43219704, 54024630, 58935960, 64829556, 72032840, 81036945, 108049260, 129659112, 162073890, 216098520, 324147780, 648295560]

約数ペア:

[(1, 648295560), (2, 324147780), (3, 216098520), (4, 162073890), (5, 129659112), (6, 108049260), (8, 81036945), (9, 72032840), (10, 64829556), (11, 58935960), (12, 54024630), (15, 43219704), (18, 36016420), (20, 32414778), (22, 29467980), (24, 27012315), (30, 21609852), (31, 20912760), (33, 19645320), (36, 18008210), (40, 16207389), (44, 14733990), (45, 14406568), (55, 11787192), (60, 10804926), (62, 10456380), (66, 9822660), (72, 9004105), (88, 7366995), (90, 7203284), (93, 6970920), (99, 6548440), (110, 5893596), (120, 5402463), (124, 5228190), (132, 4911330), (155, 4182552), (165, 3929064), (180, 3601642), (186, 3485460), (198, 3274220), (220, 2946798), (248, 2614095), (264, 2455665), (279, 2323640), (310, 2091276), (330, 1964532), (341, 1901160), (360, 1800821), (372, 1742730), (396, 1637110), (440, 1473399), (465, 1394184), (495, 1309688), (558, 1161820), (620, 1045638), (660, 982266), (682, 950580), (744, 871365), (792, 818555), (930, 697092), (990, 654844), (1023, 633720), (1116, 580910), (1240, 522819), (1320, 491133), (1364, 475290), (1395, 464728), (1705, 380232), (1860, 348546), (1980, 327422), (2046, 316860), (2232, 290455), (2728, 237645), (2790, 232364), (3069, 211240), (3410, 190116), (3720, 174273), (3960, 163711), (4092, 158430), (5115, 126744), (5281, 122760), (5580, 116182), (6138, 105620), (6820, 95058), (8184, 79215), (10230, 63372), (10562, 61380), (11160, 58091), (12276, 52810), (13640, 47529), (15345, 42248), (15843, 40920), (20460, 31686), (21124, 30690), (24552, 26405)]