31764840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 105442560

約数和(自身を除く): 73677720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 677, 680, 690, 782, 920, 1020, 1173, 1354, 1380, 1564, 1955, 2031, 2040, 2346, 2708, 2760, 3128, 3385, 3910, 4062, 4692, 5416, 5865, 6770, 7820, 8124, 9384, 10155, 11509, 11730, 13540, 15571, 15640, 16248, 20310, 23018, 23460, 27080, 31142, 34527, 40620, 46036, 46713, 46920, 57545, 62284, 69054, 77855, 81240, 92072, 93426, 115090, 124568, 138108, 155710, 172635, 186852, 230180, 233565, 264707, 276216, 311420, 345270, 373704, 460360, 467130, 529414, 622840, 690540, 794121, 934260, 1058828, 1323535, 1381080, 1588242, 1868520, 2117656, 2647070, 3176484, 3970605, 5294140, 6352968, 7941210, 10588280, 15882420, 31764840]

約数ペア:

[(1, 31764840), (2, 15882420), (3, 10588280), (4, 7941210), (5, 6352968), (6, 5294140), (8, 3970605), (10, 3176484), (12, 2647070), (15, 2117656), (17, 1868520), (20, 1588242), (23, 1381080), (24, 1323535), (30, 1058828), (34, 934260), (40, 794121), (46, 690540), (51, 622840), (60, 529414), (68, 467130), (69, 460360), (85, 373704), (92, 345270), (102, 311420), (115, 276216), (120, 264707), (136, 233565), (138, 230180), (170, 186852), (184, 172635), (204, 155710), (230, 138108), (255, 124568), (276, 115090), (340, 93426), (345, 92072), (391, 81240), (408, 77855), (460, 69054), (510, 62284), (552, 57545), (677, 46920), (680, 46713), (690, 46036), (782, 40620), (920, 34527), (1020, 31142), (1173, 27080), (1354, 23460), (1380, 23018), (1564, 20310), (1955, 16248), (2031, 15640), (2040, 15571), (2346, 13540), (2708, 11730), (2760, 11509), (3128, 10155), (3385, 9384), (3910, 8124), (4062, 7820), (4692, 6770), (5416, 5865)]