21520200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 74995200

約数和(自身を除く): 53475000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 31, 39, 40, 50, 52, 60, 62, 65, 75, 78, 89, 93, 100, 104, 120, 124, 130, 150, 155, 156, 178, 186, 195, 200, 248, 260, 267, 300, 310, 312, 325, 356, 372, 390, 403, 445, 465, 520, 534, 600, 620, 650, 712, 744, 775, 780, 806, 890, 930, 975, 1068, 1157, 1209, 1240, 1300, 1335, 1550, 1560, 1612, 1780, 1860, 1950, 2015, 2136, 2225, 2314, 2325, 2418, 2600, 2670, 2759, 3100, 3224, 3471, 3560, 3720, 3900, 4030, 4450, 4628, 4650, 4836, 5340, 5518, 5785, 6045, 6200, 6675, 6942, 7800, 8060, 8277, 8900, 9256, 9300, 9672, 10075, 10680, 11036, 11570, 12090, 13350, 13795, 13884, 16120, 16554, 17355, 17800, 18600, 20150, 22072, 23140, 24180, 26700, 27590, 27768, 28925, 30225, 33108, 34710, 35867, 40300, 41385, 46280, 48360, 53400, 55180, 57850, 60450, 66216, 68975, 69420, 71734, 80600, 82770, 86775, 107601, 110360, 115700, 120900, 137950, 138840, 143468, 165540, 173550, 179335, 206925, 215202, 231400, 241800, 275900, 286936, 331080, 347100, 358670, 413850, 430404, 538005, 551800, 694200, 717340, 827700, 860808, 896675, 1076010, 1434680, 1655400, 1793350, 2152020, 2690025, 3586700, 4304040, 5380050, 7173400, 10760100, 21520200]

約数ペア:

[(1, 21520200), (2, 10760100), (3, 7173400), (4, 5380050), (5, 4304040), (6, 3586700), (8, 2690025), (10, 2152020), (12, 1793350), (13, 1655400), (15, 1434680), (20, 1076010), (24, 896675), (25, 860808), (26, 827700), (30, 717340), (31, 694200), (39, 551800), (40, 538005), (50, 430404), (52, 413850), (60, 358670), (62, 347100), (65, 331080), (75, 286936), (78, 275900), (89, 241800), (93, 231400), (100, 215202), (104, 206925), (120, 179335), (124, 173550), (130, 165540), (150, 143468), (155, 138840), (156, 137950), (178, 120900), (186, 115700), (195, 110360), (200, 107601), (248, 86775), (260, 82770), (267, 80600), (300, 71734), (310, 69420), (312, 68975), (325, 66216), (356, 60450), (372, 57850), (390, 55180), (403, 53400), (445, 48360), (465, 46280), (520, 41385), (534, 40300), (600, 35867), (620, 34710), (650, 33108), (712, 30225), (744, 28925), (775, 27768), (780, 27590), (806, 26700), (890, 24180), (930, 23140), (975, 22072), (1068, 20150), (1157, 18600), (1209, 17800), (1240, 17355), (1300, 16554), (1335, 16120), (1550, 13884), (1560, 13795), (1612, 13350), (1780, 12090), (1860, 11570), (1950, 11036), (2015, 10680), (2136, 10075), (2225, 9672), (2314, 9300), (2325, 9256), (2418, 8900), (2600, 8277), (2670, 8060), (2759, 7800), (3100, 6942), (3224, 6675), (3471, 6200), (3560, 6045), (3720, 5785), (3900, 5518), (4030, 5340), (4450, 4836), (4628, 4650)]