123447660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 406022400

約数和(自身を除く): 282574740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 199, 210, 211, 245, 294, 398, 420, 422, 490, 588, 597, 633, 735, 796, 844, 980, 995, 1055, 1194, 1266, 1393, 1470, 1477, 1990, 2110, 2388, 2532, 2786, 2940, 2954, 2985, 3165, 3980, 4179, 4220, 4431, 5572, 5908, 5970, 6330, 6965, 7385, 8358, 8862, 9751, 10339, 11940, 12660, 13930, 14770, 16716, 17724, 19502, 20678, 20895, 22155, 27860, 29253, 29540, 31017, 39004, 41356, 41790, 41989, 44310, 48755, 51695, 58506, 62034, 83580, 83978, 88620, 97510, 103390, 117012, 124068, 125967, 146265, 155085, 167956, 195020, 206780, 209945, 251934, 292530, 293923, 310170, 419890, 503868, 585060, 587846, 620340, 629835, 839780, 881769, 1175692, 1259670, 1469615, 1763538, 2057461, 2519340, 2939230, 3527076, 4114922, 4408845, 5878460, 6172383, 8229844, 8817690, 10287305, 12344766, 17635380, 20574610, 24689532, 30861915, 41149220, 61723830, 123447660]

約数ペア:

[(1, 123447660), (2, 61723830), (3, 41149220), (4, 30861915), (5, 24689532), (6, 20574610), (7, 17635380), (10, 12344766), (12, 10287305), (14, 8817690), (15, 8229844), (20, 6172383), (21, 5878460), (28, 4408845), (30, 4114922), (35, 3527076), (42, 2939230), (49, 2519340), (60, 2057461), (70, 1763538), (84, 1469615), (98, 1259670), (105, 1175692), (140, 881769), (147, 839780), (196, 629835), (199, 620340), (210, 587846), (211, 585060), (245, 503868), (294, 419890), (398, 310170), (420, 293923), (422, 292530), (490, 251934), (588, 209945), (597, 206780), (633, 195020), (735, 167956), (796, 155085), (844, 146265), (980, 125967), (995, 124068), (1055, 117012), (1194, 103390), (1266, 97510), (1393, 88620), (1470, 83978), (1477, 83580), (1990, 62034), (2110, 58506), (2388, 51695), (2532, 48755), (2786, 44310), (2940, 41989), (2954, 41790), (2985, 41356), (3165, 39004), (3980, 31017), (4179, 29540), (4220, 29253), (4431, 27860), (5572, 22155), (5908, 20895), (5970, 20678), (6330, 19502), (6965, 17724), (7385, 16716), (8358, 14770), (8862, 13930), (9751, 12660), (10339, 11940)]