28486890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:658

約数の個数: 96

約数和(自身を含む): 80982720

約数和(自身を除く): 52495830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 243, 270, 285, 342, 405, 486, 513, 570, 617, 810, 855, 1026, 1215, 1234, 1539, 1710, 1851, 2430, 2565, 3078, 3085, 3702, 4617, 5130, 5553, 6170, 7695, 9234, 9255, 11106, 11723, 15390, 16659, 18510, 23085, 23446, 27765, 33318, 35169, 46170, 49977, 55530, 58615, 70338, 83295, 99954, 105507, 117230, 149931, 166590, 175845, 211014, 249885, 299862, 316521, 351690, 499770, 527535, 633042, 749655, 949563, 1055070, 1499310, 1582605, 1899126, 2848689, 3165210, 4747815, 5697378, 9495630, 14243445, 28486890]

約数ペア:

[(1, 28486890), (2, 14243445), (3, 9495630), (5, 5697378), (6, 4747815), (9, 3165210), (10, 2848689), (15, 1899126), (18, 1582605), (19, 1499310), (27, 1055070), (30, 949563), (38, 749655), (45, 633042), (54, 527535), (57, 499770), (81, 351690), (90, 316521), (95, 299862), (114, 249885), (135, 211014), (162, 175845), (171, 166590), (190, 149931), (243, 117230), (270, 105507), (285, 99954), (342, 83295), (405, 70338), (486, 58615), (513, 55530), (570, 49977), (617, 46170), (810, 35169), (855, 33318), (1026, 27765), (1215, 23446), (1234, 23085), (1539, 18510), (1710, 16659), (1851, 15390), (2430, 11723), (2565, 11106), (3078, 9255), (3085, 9234), (3702, 7695), (4617, 6170), (5130, 5553)]