16672240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 160

約数和(自身を含む): 47246976

約数和(自身を除く): 30574736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 26, 34, 40, 41, 46, 52, 65, 68, 80, 82, 85, 92, 104, 115, 130, 136, 164, 170, 184, 205, 208, 221, 230, 260, 272, 299, 328, 340, 368, 391, 410, 442, 460, 520, 533, 598, 656, 680, 697, 782, 820, 884, 920, 943, 1040, 1066, 1105, 1196, 1360, 1394, 1495, 1564, 1640, 1768, 1840, 1886, 1955, 2132, 2210, 2392, 2665, 2788, 2990, 3128, 3280, 3485, 3536, 3772, 3910, 4264, 4420, 4715, 4784, 5083, 5330, 5576, 5980, 6256, 6970, 7544, 7820, 8528, 8840, 9061, 9430, 10166, 10660, 11152, 11960, 12259, 13940, 15088, 15640, 16031, 17680, 18122, 18860, 20332, 21320, 23920, 24518, 25415, 27880, 31280, 32062, 36244, 37720, 40664, 42640, 45305, 49036, 50830, 55760, 61295, 64124, 72488, 75440, 80155, 81328, 90610, 98072, 101660, 122590, 128248, 144976, 160310, 181220, 196144, 203320, 208403, 245180, 256496, 320620, 362440, 406640, 416806, 490360, 641240, 724880, 833612, 980720, 1042015, 1282480, 1667224, 2084030, 3334448, 4168060, 8336120, 16672240]

約数ペア:

[(1, 16672240), (2, 8336120), (4, 4168060), (5, 3334448), (8, 2084030), (10, 1667224), (13, 1282480), (16, 1042015), (17, 980720), (20, 833612), (23, 724880), (26, 641240), (34, 490360), (40, 416806), (41, 406640), (46, 362440), (52, 320620), (65, 256496), (68, 245180), (80, 208403), (82, 203320), (85, 196144), (92, 181220), (104, 160310), (115, 144976), (130, 128248), (136, 122590), (164, 101660), (170, 98072), (184, 90610), (205, 81328), (208, 80155), (221, 75440), (230, 72488), (260, 64124), (272, 61295), (299, 55760), (328, 50830), (340, 49036), (368, 45305), (391, 42640), (410, 40664), (442, 37720), (460, 36244), (520, 32062), (533, 31280), (598, 27880), (656, 25415), (680, 24518), (697, 23920), (782, 21320), (820, 20332), (884, 18860), (920, 18122), (943, 17680), (1040, 16031), (1066, 15640), (1105, 15088), (1196, 13940), (1360, 12259), (1394, 11960), (1495, 11152), (1564, 10660), (1640, 10166), (1768, 9430), (1840, 9061), (1886, 8840), (1955, 8528), (2132, 7820), (2210, 7544), (2392, 6970), (2665, 6256), (2788, 5980), (2990, 5576), (3128, 5330), (3280, 5083), (3485, 4784), (3536, 4715), (3772, 4420), (3910, 4264)]