7938455820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:233

約数の個数: 216

約数和(自身を含む): 23981617296

約数和(自身を除く): 16043161476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 37, 60, 61, 62, 74, 93, 111, 122, 124, 148, 155, 183, 185, 186, 222, 244, 305, 310, 366, 370, 372, 444, 465, 555, 610, 620, 732, 740, 915, 930, 961, 1110, 1147, 1220, 1830, 1860, 1891, 1922, 2220, 2257, 2294, 2883, 3441, 3660, 3721, 3782, 3844, 4514, 4588, 4805, 5673, 5735, 5766, 6771, 6882, 7442, 7564, 9028, 9455, 9610, 11163, 11285, 11346, 11470, 11532, 13542, 13764, 14415, 14884, 17205, 18605, 18910, 19220, 22326, 22570, 22692, 22940, 27084, 28365, 28830, 33855, 34410, 35557, 37210, 37820, 44652, 45140, 55815, 56730, 57660, 58621, 67710, 68820, 69967, 71114, 74420, 106671, 111630, 113460, 115351, 117242, 135420, 137677, 139934, 142228, 175863, 177785, 209901, 213342, 223260, 230702, 234484, 275354, 279868, 293105, 346053, 349835, 351726, 355570, 413031, 419802, 426684, 461404, 533355, 550708, 576755, 586210, 688385, 692106, 699670, 703452, 711140, 826062, 839604, 879315, 1049505, 1066710, 1153510, 1172420, 1376770, 1384212, 1399340, 1652124, 1730265, 1758630, 2065155, 2099010, 2133420, 2168977, 2307020, 2753540, 3460530, 3517260, 3575881, 4130310, 4198020, 4267987, 4337954, 6506931, 6921060, 7151762, 8260620, 8535974, 8675908, 10727643, 10844885, 12803961, 13013862, 14303524, 17071948, 17879405, 21339935, 21455286, 21689770, 25607922, 26027724, 32534655, 35758810, 42679870, 42910572, 43379540, 51215844, 53638215, 64019805, 65069310, 71517620, 85359740, 107276430, 128039610, 130138620, 132307597, 214552860, 256079220, 264615194, 396922791, 529230388, 661537985, 793845582, 1323075970, 1587691164, 1984613955, 2646151940, 3969227910, 7938455820]

約数ペア:

[(1, 7938455820), (2, 3969227910), (3, 2646151940), (4, 1984613955), (5, 1587691164), (6, 1323075970), (10, 793845582), (12, 661537985), (15, 529230388), (20, 396922791), (30, 264615194), (31, 256079220), (37, 214552860), (60, 132307597), (61, 130138620), (62, 128039610), (74, 107276430), (93, 85359740), (111, 71517620), (122, 65069310), (124, 64019805), (148, 53638215), (155, 51215844), (183, 43379540), (185, 42910572), (186, 42679870), (222, 35758810), (244, 32534655), (305, 26027724), (310, 25607922), (366, 21689770), (370, 21455286), (372, 21339935), (444, 17879405), (465, 17071948), (555, 14303524), (610, 13013862), (620, 12803961), (732, 10844885), (740, 10727643), (915, 8675908), (930, 8535974), (961, 8260620), (1110, 7151762), (1147, 6921060), (1220, 6506931), (1830, 4337954), (1860, 4267987), (1891, 4198020), (1922, 4130310), (2220, 3575881), (2257, 3517260), (2294, 3460530), (2883, 2753540), (3441, 2307020), (3660, 2168977), (3721, 2133420), (3782, 2099010), (3844, 2065155), (4514, 1758630), (4588, 1730265), (4805, 1652124), (5673, 1399340), (5735, 1384212), (5766, 1376770), (6771, 1172420), (6882, 1153510), (7442, 1066710), (7564, 1049505), (9028, 879315), (9455, 839604), (9610, 826062), (11163, 711140), (11285, 703452), (11346, 699670), (11470, 692106), (11532, 688385), (13542, 586210), (13764, 576755), (14415, 550708), (14884, 533355), (17205, 461404), (18605, 426684), (18910, 419802), (19220, 413031), (22326, 355570), (22570, 351726), (22692, 349835), (22940, 346053), (27084, 293105), (28365, 279868), (28830, 275354), (33855, 234484), (34410, 230702), (35557, 223260), (37210, 213342), (37820, 209901), (44652, 177785), (45140, 175863), (55815, 142228), (56730, 139934), (57660, 137677), (58621, 135420), (67710, 117242), (68820, 115351), (69967, 113460), (71114, 111630), (74420, 106671)]