90978450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^2\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 230793264

約数和(自身を除く): 139814814

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 163, 183, 305, 326, 366, 489, 610, 815, 915, 978, 1525, 1630, 1830, 2445, 3050, 3721, 4075, 4575, 4890, 7442, 8150, 9150, 9943, 11163, 12225, 18605, 19886, 22326, 24450, 29829, 37210, 49715, 55815, 59658, 93025, 99430, 111630, 149145, 186050, 248575, 279075, 298290, 497150, 558150, 606523, 745725, 1213046, 1491450, 1819569, 3032615, 3639138, 6065230, 9097845, 15163075, 18195690, 30326150, 45489225, 90978450]

約数ペア:

[(1, 90978450), (2, 45489225), (3, 30326150), (5, 18195690), (6, 15163075), (10, 9097845), (15, 6065230), (25, 3639138), (30, 3032615), (50, 1819569), (61, 1491450), (75, 1213046), (122, 745725), (150, 606523), (163, 558150), (183, 497150), (305, 298290), (326, 279075), (366, 248575), (489, 186050), (610, 149145), (815, 111630), (915, 99430), (978, 93025), (1525, 59658), (1630, 55815), (1830, 49715), (2445, 37210), (3050, 29829), (3721, 24450), (4075, 22326), (4575, 19886), (4890, 18605), (7442, 12225), (8150, 11163), (9150, 9943)]