73828980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 235243008

約数和(自身を除く): 161414028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 101, 124, 131, 155, 180, 186, 202, 262, 279, 303, 310, 372, 393, 404, 465, 505, 524, 558, 606, 620, 655, 786, 909, 930, 1010, 1116, 1179, 1212, 1310, 1395, 1515, 1572, 1818, 1860, 1965, 2020, 2358, 2620, 2790, 3030, 3131, 3636, 3930, 4061, 4545, 4716, 5580, 5895, 6060, 6262, 7860, 8122, 9090, 9393, 11790, 12183, 12524, 13231, 15655, 16244, 18180, 18786, 20305, 23580, 24366, 26462, 28179, 31310, 36549, 37572, 39693, 40610, 46965, 48732, 52924, 56358, 60915, 62620, 66155, 73098, 79386, 81220, 93930, 112716, 119079, 121830, 132310, 140895, 146196, 158772, 182745, 187860, 198465, 238158, 243660, 264620, 281790, 365490, 396930, 410161, 476316, 563580, 595395, 730980, 793860, 820322, 1190790, 1230483, 1640644, 2050805, 2381580, 2460966, 3691449, 4101610, 4921932, 6152415, 7382898, 8203220, 12304830, 14765796, 18457245, 24609660, 36914490, 73828980]

約数ペア:

[(1, 73828980), (2, 36914490), (3, 24609660), (4, 18457245), (5, 14765796), (6, 12304830), (9, 8203220), (10, 7382898), (12, 6152415), (15, 4921932), (18, 4101610), (20, 3691449), (30, 2460966), (31, 2381580), (36, 2050805), (45, 1640644), (60, 1230483), (62, 1190790), (90, 820322), (93, 793860), (101, 730980), (124, 595395), (131, 563580), (155, 476316), (180, 410161), (186, 396930), (202, 365490), (262, 281790), (279, 264620), (303, 243660), (310, 238158), (372, 198465), (393, 187860), (404, 182745), (465, 158772), (505, 146196), (524, 140895), (558, 132310), (606, 121830), (620, 119079), (655, 112716), (786, 93930), (909, 81220), (930, 79386), (1010, 73098), (1116, 66155), (1179, 62620), (1212, 60915), (1310, 56358), (1395, 52924), (1515, 48732), (1572, 46965), (1818, 40610), (1860, 39693), (1965, 37572), (2020, 36549), (2358, 31310), (2620, 28179), (2790, 26462), (3030, 24366), (3131, 23580), (3636, 20305), (3930, 18786), (4061, 18180), (4545, 16244), (4716, 15655), (5580, 13231), (5895, 12524), (6060, 12183), (6262, 11790), (7860, 9393), (8122, 9090)]