181671420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1100

約数の個数: 144

約数和(自身を含む): 602023968

約数和(自身を除く): 420352548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 490, 588, 610, 732, 735, 854, 915, 980, 1013, 1220, 1281, 1470, 1708, 1830, 2026, 2135, 2562, 2940, 2989, 3039, 3660, 4052, 4270, 5065, 5124, 5978, 6078, 6405, 7091, 8540, 8967, 10130, 11956, 12156, 12810, 14182, 14945, 15195, 17934, 20260, 21273, 25620, 28364, 29890, 30390, 35455, 35868, 42546, 44835, 49637, 59780, 60780, 61793, 70910, 85092, 89670, 99274, 106365, 123586, 141820, 148911, 179340, 185379, 198548, 212730, 247172, 248185, 297822, 308965, 370758, 425460, 432551, 496370, 595644, 617930, 741516, 744555, 865102, 926895, 992740, 1235860, 1297653, 1489110, 1730204, 1853790, 2162755, 2595306, 2978220, 3027857, 3707580, 4325510, 5190612, 6055714, 6488265, 8651020, 9083571, 12111428, 12976530, 15139285, 18167142, 25953060, 30278570, 36334284, 45417855, 60557140, 90835710, 181671420]

約数ペア:

[(1, 181671420), (2, 90835710), (3, 60557140), (4, 45417855), (5, 36334284), (6, 30278570), (7, 25953060), (10, 18167142), (12, 15139285), (14, 12976530), (15, 12111428), (20, 9083571), (21, 8651020), (28, 6488265), (30, 6055714), (35, 5190612), (42, 4325510), (49, 3707580), (60, 3027857), (61, 2978220), (70, 2595306), (84, 2162755), (98, 1853790), (105, 1730204), (122, 1489110), (140, 1297653), (147, 1235860), (183, 992740), (196, 926895), (210, 865102), (244, 744555), (245, 741516), (294, 617930), (305, 595644), (366, 496370), (420, 432551), (427, 425460), (490, 370758), (588, 308965), (610, 297822), (732, 248185), (735, 247172), (854, 212730), (915, 198548), (980, 185379), (1013, 179340), (1220, 148911), (1281, 141820), (1470, 123586), (1708, 106365), (1830, 99274), (2026, 89670), (2135, 85092), (2562, 70910), (2940, 61793), (2989, 60780), (3039, 59780), (3660, 49637), (4052, 44835), (4270, 42546), (5065, 35868), (5124, 35455), (5978, 30390), (6078, 29890), (6405, 28364), (7091, 25620), (8540, 21273), (8967, 20260), (10130, 17934), (11956, 15195), (12156, 14945), (12810, 14182)]