123880380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 395982720

約数和(自身を除く): 272102340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 380, 390, 494, 507, 570, 643, 676, 741, 780, 845, 988, 1014, 1140, 1235, 1286, 1482, 1690, 1929, 2028, 2470, 2535, 2572, 2964, 3211, 3215, 3380, 3705, 3858, 4940, 5070, 6422, 6430, 7410, 7716, 8359, 9633, 9645, 10140, 12217, 12844, 12860, 14820, 16055, 16718, 19266, 19290, 24434, 25077, 32110, 33436, 36651, 38532, 38580, 41795, 48165, 48868, 50154, 61085, 64220, 73302, 83590, 96330, 100308, 108667, 122170, 125385, 146604, 158821, 167180, 183255, 192660, 217334, 244340, 250770, 317642, 326001, 366510, 434668, 476463, 501540, 543335, 635284, 652002, 733020, 794105, 952926, 1086670, 1304004, 1588210, 1630005, 1905852, 2064673, 2173340, 2382315, 3176420, 3260010, 4129346, 4764630, 6194019, 6520020, 8258692, 9529260, 10323365, 12388038, 20646730, 24776076, 30970095, 41293460, 61940190, 123880380]

約数ペア:

[(1, 123880380), (2, 61940190), (3, 41293460), (4, 30970095), (5, 24776076), (6, 20646730), (10, 12388038), (12, 10323365), (13, 9529260), (15, 8258692), (19, 6520020), (20, 6194019), (26, 4764630), (30, 4129346), (38, 3260010), (39, 3176420), (52, 2382315), (57, 2173340), (60, 2064673), (65, 1905852), (76, 1630005), (78, 1588210), (95, 1304004), (114, 1086670), (130, 952926), (156, 794105), (169, 733020), (190, 652002), (195, 635284), (228, 543335), (247, 501540), (260, 476463), (285, 434668), (338, 366510), (380, 326001), (390, 317642), (494, 250770), (507, 244340), (570, 217334), (643, 192660), (676, 183255), (741, 167180), (780, 158821), (845, 146604), (988, 125385), (1014, 122170), (1140, 108667), (1235, 100308), (1286, 96330), (1482, 83590), (1690, 73302), (1929, 64220), (2028, 61085), (2470, 50154), (2535, 48868), (2572, 48165), (2964, 41795), (3211, 38580), (3215, 38532), (3380, 36651), (3705, 33436), (3858, 32110), (4940, 25077), (5070, 24434), (6422, 19290), (6430, 19266), (7410, 16718), (7716, 16055), (8359, 14820), (9633, 12860), (9645, 12844), (10140, 12217)]