161283390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2843}}^1$

素因数の和:2945

約数の個数: 64

約数和(自身を含む): 406259712

約数和(自身を除く): 244976322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 465, 610, 915, 930, 1830, 1891, 2843, 3782, 5673, 5686, 8529, 9455, 11346, 14215, 17058, 18910, 28365, 28430, 42645, 56730, 85290, 88133, 173423, 176266, 264399, 346846, 440665, 520269, 528798, 867115, 881330, 1040538, 1321995, 1734230, 2601345, 2643990, 5202690, 5376113, 10752226, 16128339, 26880565, 32256678, 53761130, 80641695, 161283390]

約数ペア:

[(1, 161283390), (2, 80641695), (3, 53761130), (5, 32256678), (6, 26880565), (10, 16128339), (15, 10752226), (30, 5376113), (31, 5202690), (61, 2643990), (62, 2601345), (93, 1734230), (122, 1321995), (155, 1040538), (183, 881330), (186, 867115), (305, 528798), (310, 520269), (366, 440665), (465, 346846), (610, 264399), (915, 176266), (930, 173423), (1830, 88133), (1891, 85290), (2843, 56730), (3782, 42645), (5673, 28430), (5686, 28365), (8529, 18910), (9455, 17058), (11346, 14215)]