215996760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{28571}}^1$

素因数の和:28598

約数の個数: 128

約数和(自身を含む): 822873600

約数和(自身を除く): 606876840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 28571, 57142, 85713, 114284, 142855, 171426, 199997, 228568, 257139, 285710, 342852, 399994, 428565, 514278, 571420, 599991, 685704, 771417, 799988, 857130, 999985, 1028556, 1142840, 1199982, 1285695, 1542834, 1599976, 1714260, 1799973, 1999970, 2057112, 2399964, 2571390, 2999955, 3085668, 3428520, 3599946, 3857085, 3999940, 4799928, 5142780, 5399919, 5999910, 6171336, 7199892, 7714170, 7999880, 8999865, 10285560, 10799838, 11999820, 14399784, 15428340, 17999730, 21599676, 23999640, 26999595, 30856680, 35999460, 43199352, 53999190, 71998920, 107998380, 215996760]

約数ペア:

[(1, 215996760), (2, 107998380), (3, 71998920), (4, 53999190), (5, 43199352), (6, 35999460), (7, 30856680), (8, 26999595), (9, 23999640), (10, 21599676), (12, 17999730), (14, 15428340), (15, 14399784), (18, 11999820), (20, 10799838), (21, 10285560), (24, 8999865), (27, 7999880), (28, 7714170), (30, 7199892), (35, 6171336), (36, 5999910), (40, 5399919), (42, 5142780), (45, 4799928), (54, 3999940), (56, 3857085), (60, 3599946), (63, 3428520), (70, 3085668), (72, 2999955), (84, 2571390), (90, 2399964), (105, 2057112), (108, 1999970), (120, 1799973), (126, 1714260), (135, 1599976), (140, 1542834), (168, 1285695), (180, 1199982), (189, 1142840), (210, 1028556), (216, 999985), (252, 857130), (270, 799988), (280, 771417), (315, 685704), (360, 599991), (378, 571420), (420, 514278), (504, 428565), (540, 399994), (630, 342852), (756, 285710), (840, 257139), (945, 228568), (1080, 199997), (1260, 171426), (1512, 142855), (1890, 114284), (2520, 85713), (3780, 57142), (7560, 28571)]