253979460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^2$

素因数の和:247

約数の個数: 216

約数和(自身を含む): 935887680

約数和(自身を除く): 681908220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 103, 105, 114, 126, 133, 140, 171, 180, 190, 206, 210, 228, 252, 266, 285, 309, 315, 342, 380, 399, 412, 420, 515, 532, 570, 618, 630, 665, 684, 721, 798, 855, 927, 1030, 1140, 1197, 1236, 1260, 1330, 1442, 1545, 1596, 1710, 1854, 1957, 1995, 2060, 2163, 2394, 2660, 2884, 3090, 3420, 3605, 3708, 3914, 3990, 4326, 4635, 4788, 5871, 5985, 6180, 6489, 7210, 7828, 7980, 8652, 9270, 9785, 10609, 10815, 11742, 11970, 12978, 13699, 14420, 17613, 18540, 19570, 21218, 21630, 23484, 23940, 25956, 27398, 29355, 31827, 32445, 35226, 39140, 41097, 42436, 43260, 53045, 54796, 58710, 63654, 64890, 68495, 70452, 74263, 82194, 88065, 95481, 106090, 117420, 123291, 127308, 129780, 136990, 148526, 159135, 164388, 176130, 190962, 201571, 205485, 212180, 222789, 246582, 273980, 297052, 318270, 352260, 371315, 381924, 403142, 410970, 445578, 477405, 493164, 604713, 616455, 636540, 668367, 742630, 806284, 821940, 891156, 954810, 1007855, 1113945, 1209426, 1232910, 1336734, 1410997, 1485260, 1814139, 1909620, 2015710, 2227890, 2418852, 2465820, 2673468, 2821994, 3023565, 3341835, 3628278, 4031420, 4232991, 4455780, 5643988, 6047130, 6683670, 7054985, 7256556, 8465982, 9070695, 12094260, 12698973, 13367340, 14109970, 16931964, 18141390, 21164955, 25397946, 28219940, 36282780, 42329910, 50795892, 63494865, 84659820, 126989730, 253979460]

約数ペア:

[(1, 253979460), (2, 126989730), (3, 84659820), (4, 63494865), (5, 50795892), (6, 42329910), (7, 36282780), (9, 28219940), (10, 25397946), (12, 21164955), (14, 18141390), (15, 16931964), (18, 14109970), (19, 13367340), (20, 12698973), (21, 12094260), (28, 9070695), (30, 8465982), (35, 7256556), (36, 7054985), (38, 6683670), (42, 6047130), (45, 5643988), (57, 4455780), (60, 4232991), (63, 4031420), (70, 3628278), (76, 3341835), (84, 3023565), (90, 2821994), (95, 2673468), (103, 2465820), (105, 2418852), (114, 2227890), (126, 2015710), (133, 1909620), (140, 1814139), (171, 1485260), (180, 1410997), (190, 1336734), (206, 1232910), (210, 1209426), (228, 1113945), (252, 1007855), (266, 954810), (285, 891156), (309, 821940), (315, 806284), (342, 742630), (380, 668367), (399, 636540), (412, 616455), (420, 604713), (515, 493164), (532, 477405), (570, 445578), (618, 410970), (630, 403142), (665, 381924), (684, 371315), (721, 352260), (798, 318270), (855, 297052), (927, 273980), (1030, 246582), (1140, 222789), (1197, 212180), (1236, 205485), (1260, 201571), (1330, 190962), (1442, 176130), (1545, 164388), (1596, 159135), (1710, 148526), (1854, 136990), (1957, 129780), (1995, 127308), (2060, 123291), (2163, 117420), (2394, 106090), (2660, 95481), (2884, 88065), (3090, 82194), (3420, 74263), (3605, 70452), (3708, 68495), (3914, 64890), (3990, 63654), (4326, 58710), (4635, 54796), (4788, 53045), (5871, 43260), (5985, 42436), (6180, 41097), (6489, 39140), (7210, 35226), (7828, 32445), (7980, 31827), (8652, 29355), (9270, 27398), (9785, 25956), (10609, 23940), (10815, 23484), (11742, 21630), (11970, 21218), (12978, 19570), (13699, 18540), (14420, 17613)]