61561620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 198132480

約数和(自身を除く): 136570860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 239, 243, 265, 270, 318, 324, 405, 477, 478, 486, 530, 540, 636, 717, 795, 810, 954, 956, 972, 1060, 1195, 1215, 1431, 1434, 1590, 1620, 1908, 2151, 2385, 2390, 2430, 2862, 2868, 3180, 3585, 4293, 4302, 4770, 4780, 4860, 5724, 6453, 7155, 7170, 8586, 8604, 9540, 10755, 12667, 12879, 12906, 14310, 14340, 17172, 19359, 21465, 21510, 25334, 25758, 25812, 28620, 32265, 38001, 38718, 42930, 43020, 50668, 51516, 58077, 63335, 64395, 64530, 76002, 77436, 85860, 96795, 114003, 116154, 126670, 128790, 129060, 152004, 190005, 193590, 228006, 232308, 253340, 257580, 290385, 342009, 380010, 387180, 456012, 570015, 580770, 684018, 760020, 1026027, 1140030, 1161540, 1368036, 1710045, 2052054, 2280060, 3078081, 3420090, 4104108, 5130135, 6156162, 6840180, 10260270, 12312324, 15390405, 20520540, 30780810, 61561620]

約数ペア:

[(1, 61561620), (2, 30780810), (3, 20520540), (4, 15390405), (5, 12312324), (6, 10260270), (9, 6840180), (10, 6156162), (12, 5130135), (15, 4104108), (18, 3420090), (20, 3078081), (27, 2280060), (30, 2052054), (36, 1710045), (45, 1368036), (53, 1161540), (54, 1140030), (60, 1026027), (81, 760020), (90, 684018), (106, 580770), (108, 570015), (135, 456012), (159, 387180), (162, 380010), (180, 342009), (212, 290385), (239, 257580), (243, 253340), (265, 232308), (270, 228006), (318, 193590), (324, 190005), (405, 152004), (477, 129060), (478, 128790), (486, 126670), (530, 116154), (540, 114003), (636, 96795), (717, 85860), (795, 77436), (810, 76002), (954, 64530), (956, 64395), (972, 63335), (1060, 58077), (1195, 51516), (1215, 50668), (1431, 43020), (1434, 42930), (1590, 38718), (1620, 38001), (1908, 32265), (2151, 28620), (2385, 25812), (2390, 25758), (2430, 25334), (2862, 21510), (2868, 21465), (3180, 19359), (3585, 17172), (4293, 14340), (4302, 14310), (4770, 12906), (4780, 12879), (4860, 12667), (5724, 10755), (6453, 9540), (7155, 8604), (7170, 8586)]