21631222160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4261}}^1$

素因数の和:4417

約数の個数: 160

約数和(自身を含む): 54793635840

約数和(自身を除く): 33162413680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 89, 92, 115, 124, 155, 178, 184, 230, 248, 310, 356, 368, 445, 460, 496, 620, 712, 713, 890, 920, 1240, 1424, 1426, 1780, 1840, 2047, 2480, 2759, 2852, 3560, 3565, 4094, 4261, 5518, 5704, 7120, 7130, 8188, 8522, 10235, 11036, 11408, 13795, 14260, 16376, 17044, 20470, 21305, 22072, 27590, 28520, 32752, 34088, 40940, 42610, 44144, 55180, 57040, 63457, 68176, 81880, 85220, 98003, 110360, 126914, 132091, 163760, 170440, 196006, 220720, 253828, 264182, 317285, 340880, 379229, 392012, 490015, 507656, 528364, 634570, 660455, 758458, 784024, 980030, 1015312, 1056728, 1269140, 1320910, 1516916, 1568048, 1896145, 1960060, 2113456, 2538280, 2641820, 3033832, 3038093, 3792290, 3920120, 5076560, 5283640, 6067664, 6076186, 7584580, 7840240, 8722267, 10567280, 11756099, 12152372, 15169160, 15190465, 17444534, 23512198, 24304744, 30338320, 30380930, 34889068, 43611335, 47024396, 48609488, 58780495, 60761860, 69778136, 87222670, 94048792, 117560990, 121523720, 139556272, 174445340, 188097584, 235121980, 243047440, 270390277, 348890680, 470243960, 540780554, 697781360, 940487920, 1081561108, 1351951385, 2163122216, 2703902770, 4326244432, 5407805540, 10815611080, 21631222160]

約数ペア:

[(1, 21631222160), (2, 10815611080), (4, 5407805540), (5, 4326244432), (8, 2703902770), (10, 2163122216), (16, 1351951385), (20, 1081561108), (23, 940487920), (31, 697781360), (40, 540780554), (46, 470243960), (62, 348890680), (80, 270390277), (89, 243047440), (92, 235121980), (115, 188097584), (124, 174445340), (155, 139556272), (178, 121523720), (184, 117560990), (230, 94048792), (248, 87222670), (310, 69778136), (356, 60761860), (368, 58780495), (445, 48609488), (460, 47024396), (496, 43611335), (620, 34889068), (712, 30380930), (713, 30338320), (890, 24304744), (920, 23512198), (1240, 17444534), (1424, 15190465), (1426, 15169160), (1780, 12152372), (1840, 11756099), (2047, 10567280), (2480, 8722267), (2759, 7840240), (2852, 7584580), (3560, 6076186), (3565, 6067664), (4094, 5283640), (4261, 5076560), (5518, 3920120), (5704, 3792290), (7120, 3038093), (7130, 3033832), (8188, 2641820), (8522, 2538280), (10235, 2113456), (11036, 1960060), (11408, 1896145), (13795, 1568048), (14260, 1516916), (16376, 1320910), (17044, 1269140), (20470, 1056728), (21305, 1015312), (22072, 980030), (27590, 784024), (28520, 758458), (32752, 660455), (34088, 634570), (40940, 528364), (42610, 507656), (44144, 490015), (55180, 392012), (57040, 379229), (63457, 340880), (68176, 317285), (81880, 264182), (85220, 253828), (98003, 220720), (110360, 196006), (126914, 170440), (132091, 163760)]