1520677540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 3645391680

約数和(自身を除く): 2124714140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 61, 68, 76, 85, 95, 122, 170, 190, 227, 244, 289, 305, 323, 340, 380, 454, 578, 610, 646, 908, 1037, 1135, 1156, 1159, 1220, 1292, 1445, 1615, 2074, 2270, 2318, 2890, 3230, 3859, 4148, 4313, 4540, 4636, 5185, 5491, 5780, 5795, 6460, 7718, 8626, 10370, 10982, 11590, 13847, 15436, 17252, 17629, 19295, 19703, 20740, 21565, 21964, 23180, 27455, 27694, 35258, 38590, 39406, 43130, 54910, 55388, 65603, 69235, 70516, 73321, 77180, 78812, 86260, 88145, 98515, 109820, 131206, 138470, 146642, 176290, 197030, 235399, 262412, 263093, 276940, 293284, 328015, 334951, 352580, 366605, 394060, 470798, 526186, 656030, 669902, 733210, 941596, 1052372, 1176995, 1246457, 1312060, 1315465, 1339804, 1466420, 1674755, 2353990, 2492914, 2630930, 3349510, 4001783, 4472581, 4707980, 4985828, 5261860, 6232285, 6699020, 8003566, 8945162, 12464570, 16007132, 17890324, 20008915, 22362905, 24929140, 40017830, 44725810, 76033877, 80035660, 89451620, 152067754, 304135508, 380169385, 760338770, 1520677540]

約数ペア:

[(1, 1520677540), (2, 760338770), (4, 380169385), (5, 304135508), (10, 152067754), (17, 89451620), (19, 80035660), (20, 76033877), (34, 44725810), (38, 40017830), (61, 24929140), (68, 22362905), (76, 20008915), (85, 17890324), (95, 16007132), (122, 12464570), (170, 8945162), (190, 8003566), (227, 6699020), (244, 6232285), (289, 5261860), (305, 4985828), (323, 4707980), (340, 4472581), (380, 4001783), (454, 3349510), (578, 2630930), (610, 2492914), (646, 2353990), (908, 1674755), (1037, 1466420), (1135, 1339804), (1156, 1315465), (1159, 1312060), (1220, 1246457), (1292, 1176995), (1445, 1052372), (1615, 941596), (2074, 733210), (2270, 669902), (2318, 656030), (2890, 526186), (3230, 470798), (3859, 394060), (4148, 366605), (4313, 352580), (4540, 334951), (4636, 328015), (5185, 293284), (5491, 276940), (5780, 263093), (5795, 262412), (6460, 235399), (7718, 197030), (8626, 176290), (10370, 146642), (10982, 138470), (11590, 131206), (13847, 109820), (15436, 98515), (17252, 88145), (17629, 86260), (19295, 78812), (19703, 77180), (20740, 73321), (21565, 70516), (21964, 69235), (23180, 65603), (27455, 55388), (27694, 54910), (35258, 43130), (38590, 39406)]