2810517040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:471

約数の個数: 160

約数和(自身を含む): 7015979520

約数和(自身を除く): 4205462480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 109, 124, 148, 155, 185, 218, 248, 281, 296, 310, 370, 436, 496, 545, 562, 592, 620, 740, 872, 1090, 1124, 1147, 1240, 1405, 1480, 1744, 2180, 2248, 2294, 2480, 2810, 2960, 3379, 4033, 4360, 4496, 4588, 5620, 5735, 6758, 8066, 8711, 8720, 9176, 10397, 11240, 11470, 13516, 16132, 16895, 17422, 18352, 20165, 20794, 22480, 22940, 27032, 30629, 32264, 33790, 34844, 40330, 41588, 43555, 45880, 51985, 54064, 61258, 64528, 67580, 69688, 80660, 83176, 87110, 91760, 103970, 122516, 125023, 135160, 139376, 153145, 161320, 166352, 174220, 207940, 245032, 250046, 270320, 306290, 322307, 322640, 348440, 415880, 490064, 500092, 612580, 625115, 644614, 696880, 831760, 949499, 1000184, 1133273, 1225160, 1250230, 1289228, 1611535, 1898998, 2000368, 2266546, 2450320, 2500460, 2578456, 3223070, 3797996, 4533092, 4747495, 5000920, 5156912, 5666365, 6446140, 7595992, 9066184, 9494990, 10001840, 11332730, 12892280, 15191984, 18132368, 18989980, 22665460, 25784560, 35131463, 37979960, 45330920, 70262926, 75959920, 90661840, 140525852, 175657315, 281051704, 351314630, 562103408, 702629260, 1405258520, 2810517040]

約数ペア:

[(1, 2810517040), (2, 1405258520), (4, 702629260), (5, 562103408), (8, 351314630), (10, 281051704), (16, 175657315), (20, 140525852), (31, 90661840), (37, 75959920), (40, 70262926), (62, 45330920), (74, 37979960), (80, 35131463), (109, 25784560), (124, 22665460), (148, 18989980), (155, 18132368), (185, 15191984), (218, 12892280), (248, 11332730), (281, 10001840), (296, 9494990), (310, 9066184), (370, 7595992), (436, 6446140), (496, 5666365), (545, 5156912), (562, 5000920), (592, 4747495), (620, 4533092), (740, 3797996), (872, 3223070), (1090, 2578456), (1124, 2500460), (1147, 2450320), (1240, 2266546), (1405, 2000368), (1480, 1898998), (1744, 1611535), (2180, 1289228), (2248, 1250230), (2294, 1225160), (2480, 1133273), (2810, 1000184), (2960, 949499), (3379, 831760), (4033, 696880), (4360, 644614), (4496, 625115), (4588, 612580), (5620, 500092), (5735, 490064), (6758, 415880), (8066, 348440), (8711, 322640), (8720, 322307), (9176, 306290), (10397, 270320), (11240, 250046), (11470, 245032), (13516, 207940), (16132, 174220), (16895, 166352), (17422, 161320), (18352, 153145), (20165, 139376), (20794, 135160), (22480, 125023), (22940, 122516), (27032, 103970), (30629, 91760), (32264, 87110), (33790, 83176), (34844, 80660), (40330, 69688), (41588, 67580), (43555, 64528), (45880, 61258), (51985, 54064)]