250720980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{1123}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 714351456

約数和(自身を除く): 463630476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1123, 1220, 1830, 2246, 3369, 3660, 3721, 4492, 5615, 6738, 7442, 11163, 11230, 13476, 14884, 16845, 18605, 22326, 22460, 33690, 37210, 44652, 55815, 67380, 68503, 74420, 111630, 137006, 205509, 223260, 274012, 342515, 411018, 685030, 822036, 1027545, 1370060, 2055090, 4110180, 4178683, 8357366, 12536049, 16714732, 20893415, 25072098, 41786830, 50144196, 62680245, 83573660, 125360490, 250720980]

約数ペア:

[(1, 250720980), (2, 125360490), (3, 83573660), (4, 62680245), (5, 50144196), (6, 41786830), (10, 25072098), (12, 20893415), (15, 16714732), (20, 12536049), (30, 8357366), (60, 4178683), (61, 4110180), (122, 2055090), (183, 1370060), (244, 1027545), (305, 822036), (366, 685030), (610, 411018), (732, 342515), (915, 274012), (1123, 223260), (1220, 205509), (1830, 137006), (2246, 111630), (3369, 74420), (3660, 68503), (3721, 67380), (4492, 55815), (5615, 44652), (6738, 37210), (7442, 33690), (11163, 22460), (11230, 22326), (13476, 18605), (14884, 16845)]