90543440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 235406808

約数和(自身を除く): 144863368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 169, 181, 185, 208, 260, 296, 338, 362, 370, 481, 520, 592, 676, 724, 740, 845, 905, 962, 1040, 1352, 1448, 1480, 1690, 1810, 1924, 2353, 2405, 2704, 2896, 2960, 3380, 3620, 3848, 4706, 4810, 6253, 6697, 6760, 7240, 7696, 9412, 9620, 11765, 12506, 13394, 13520, 14480, 18824, 19240, 23530, 25012, 26788, 30589, 31265, 33485, 37648, 38480, 47060, 50024, 53576, 61178, 62530, 66970, 87061, 94120, 100048, 107152, 122356, 125060, 133940, 152945, 174122, 188240, 244712, 250120, 267880, 305890, 348244, 435305, 489424, 500240, 535760, 611780, 696488, 870610, 1131793, 1223560, 1392976, 1741220, 2263586, 2447120, 3482440, 4527172, 5658965, 6964880, 9054344, 11317930, 18108688, 22635860, 45271720, 90543440]

約数ペア:

[(1, 90543440), (2, 45271720), (4, 22635860), (5, 18108688), (8, 11317930), (10, 9054344), (13, 6964880), (16, 5658965), (20, 4527172), (26, 3482440), (37, 2447120), (40, 2263586), (52, 1741220), (65, 1392976), (74, 1223560), (80, 1131793), (104, 870610), (130, 696488), (148, 611780), (169, 535760), (181, 500240), (185, 489424), (208, 435305), (260, 348244), (296, 305890), (338, 267880), (362, 250120), (370, 244712), (481, 188240), (520, 174122), (592, 152945), (676, 133940), (724, 125060), (740, 122356), (845, 107152), (905, 100048), (962, 94120), (1040, 87061), (1352, 66970), (1448, 62530), (1480, 61178), (1690, 53576), (1810, 50024), (1924, 47060), (2353, 38480), (2405, 37648), (2704, 33485), (2896, 31265), (2960, 30589), (3380, 26788), (3620, 25012), (3848, 23530), (4706, 19240), (4810, 18824), (6253, 14480), (6697, 13520), (6760, 13394), (7240, 12506), (7696, 11765), (9412, 9620)]