31963560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 103092480

約数和(自身を除く): 71128920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 313, 345, 370, 444, 460, 552, 555, 626, 690, 740, 851, 888, 920, 939, 1110, 1252, 1380, 1480, 1565, 1702, 1878, 2220, 2504, 2553, 2760, 3130, 3404, 3756, 4255, 4440, 4695, 5106, 6260, 6808, 7199, 7512, 8510, 9390, 10212, 11581, 12520, 12765, 14398, 17020, 18780, 20424, 21597, 23162, 25530, 28796, 34040, 34743, 35995, 37560, 43194, 46324, 51060, 57592, 57905, 69486, 71990, 86388, 92648, 102120, 107985, 115810, 138972, 143980, 172776, 173715, 215970, 231620, 266363, 277944, 287960, 347430, 431940, 463240, 532726, 694860, 799089, 863880, 1065452, 1331815, 1389720, 1598178, 2130904, 2663630, 3196356, 3995445, 5327260, 6392712, 7990890, 10654520, 15981780, 31963560]

約数ペア:

[(1, 31963560), (2, 15981780), (3, 10654520), (4, 7990890), (5, 6392712), (6, 5327260), (8, 3995445), (10, 3196356), (12, 2663630), (15, 2130904), (20, 1598178), (23, 1389720), (24, 1331815), (30, 1065452), (37, 863880), (40, 799089), (46, 694860), (60, 532726), (69, 463240), (74, 431940), (92, 347430), (111, 287960), (115, 277944), (120, 266363), (138, 231620), (148, 215970), (184, 173715), (185, 172776), (222, 143980), (230, 138972), (276, 115810), (296, 107985), (313, 102120), (345, 92648), (370, 86388), (444, 71990), (460, 69486), (552, 57905), (555, 57592), (626, 51060), (690, 46324), (740, 43194), (851, 37560), (888, 35995), (920, 34743), (939, 34040), (1110, 28796), (1252, 25530), (1380, 23162), (1480, 21597), (1565, 20424), (1702, 18780), (1878, 17020), (2220, 14398), (2504, 12765), (2553, 12520), (2760, 11581), (3130, 10212), (3404, 9390), (3756, 8510), (4255, 7512), (4440, 7199), (4695, 6808), (5106, 6260)]