161125600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 416223360

約数和(自身を除く): 255097760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 73, 80, 89, 100, 124, 146, 155, 160, 178, 200, 248, 292, 310, 356, 365, 400, 445, 496, 584, 620, 712, 730, 775, 800, 890, 992, 1168, 1240, 1424, 1460, 1550, 1780, 1825, 2225, 2263, 2336, 2480, 2759, 2848, 2920, 3100, 3560, 3650, 4450, 4526, 4960, 5518, 5840, 6200, 6497, 7120, 7300, 8900, 9052, 11036, 11315, 11680, 12400, 12994, 13795, 14240, 14600, 17800, 18104, 22072, 22630, 24800, 25988, 27590, 29200, 32485, 35600, 36208, 44144, 45260, 51976, 55180, 56575, 58400, 64970, 68975, 71200, 72416, 88288, 90520, 103952, 110360, 113150, 129940, 137950, 162425, 181040, 201407, 207904, 220720, 226300, 259880, 275900, 324850, 362080, 402814, 441440, 452600, 519760, 551800, 649700, 805628, 905200, 1007035, 1039520, 1103600, 1299400, 1611256, 1810400, 2014070, 2207200, 2598800, 3222512, 4028140, 5035175, 5197600, 6445024, 8056280, 10070350, 16112560, 20140700, 32225120, 40281400, 80562800, 161125600]

約数ペア:

[(1, 161125600), (2, 80562800), (4, 40281400), (5, 32225120), (8, 20140700), (10, 16112560), (16, 10070350), (20, 8056280), (25, 6445024), (31, 5197600), (32, 5035175), (40, 4028140), (50, 3222512), (62, 2598800), (73, 2207200), (80, 2014070), (89, 1810400), (100, 1611256), (124, 1299400), (146, 1103600), (155, 1039520), (160, 1007035), (178, 905200), (200, 805628), (248, 649700), (292, 551800), (310, 519760), (356, 452600), (365, 441440), (400, 402814), (445, 362080), (496, 324850), (584, 275900), (620, 259880), (712, 226300), (730, 220720), (775, 207904), (800, 201407), (890, 181040), (992, 162425), (1168, 137950), (1240, 129940), (1424, 113150), (1460, 110360), (1550, 103952), (1780, 90520), (1825, 88288), (2225, 72416), (2263, 71200), (2336, 68975), (2480, 64970), (2759, 58400), (2848, 56575), (2920, 55180), (3100, 51976), (3560, 45260), (3650, 44144), (4450, 36208), (4526, 35600), (4960, 32485), (5518, 29200), (5840, 27590), (6200, 25988), (6497, 24800), (7120, 22630), (7300, 22072), (8900, 18104), (9052, 17800), (11036, 14600), (11315, 14240), (11680, 13795), (12400, 12994)]