1805193780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{3359}}^1$

素因数の和:3450

約数の個数: 144

約数和(自身を含む): 5578191360

約数和(自身を除く): 3772997580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 169, 195, 212, 260, 265, 318, 338, 390, 507, 530, 636, 676, 689, 780, 795, 845, 1014, 1060, 1378, 1590, 1690, 2028, 2067, 2535, 2756, 3180, 3359, 3380, 3445, 4134, 5070, 6718, 6890, 8268, 8957, 10077, 10140, 10335, 13436, 13780, 16795, 17914, 20154, 20670, 26871, 33590, 35828, 40308, 41340, 43667, 44785, 50385, 53742, 67180, 87334, 89570, 100770, 107484, 131001, 134355, 174668, 178027, 179140, 201540, 218335, 262002, 268710, 356054, 436670, 524004, 534081, 537420, 567671, 655005, 712108, 873340, 890135, 1068162, 1135342, 1310010, 1703013, 1780270, 2136324, 2270684, 2314351, 2620020, 2670405, 2838355, 3406026, 3560540, 4628702, 5340810, 5676710, 6812052, 6943053, 8515065, 9257404, 10681620, 11353420, 11571755, 13886106, 17030130, 23143510, 27772212, 30086563, 34060260, 34715265, 46287020, 60173126, 69430530, 90259689, 120346252, 138861060, 150432815, 180519378, 300865630, 361038756, 451298445, 601731260, 902596890, 1805193780]

約数ペア:

[(1, 1805193780), (2, 902596890), (3, 601731260), (4, 451298445), (5, 361038756), (6, 300865630), (10, 180519378), (12, 150432815), (13, 138861060), (15, 120346252), (20, 90259689), (26, 69430530), (30, 60173126), (39, 46287020), (52, 34715265), (53, 34060260), (60, 30086563), (65, 27772212), (78, 23143510), (106, 17030130), (130, 13886106), (156, 11571755), (159, 11353420), (169, 10681620), (195, 9257404), (212, 8515065), (260, 6943053), (265, 6812052), (318, 5676710), (338, 5340810), (390, 4628702), (507, 3560540), (530, 3406026), (636, 2838355), (676, 2670405), (689, 2620020), (780, 2314351), (795, 2270684), (845, 2136324), (1014, 1780270), (1060, 1703013), (1378, 1310010), (1590, 1135342), (1690, 1068162), (2028, 890135), (2067, 873340), (2535, 712108), (2756, 655005), (3180, 567671), (3359, 537420), (3380, 534081), (3445, 524004), (4134, 436670), (5070, 356054), (6718, 268710), (6890, 262002), (8268, 218335), (8957, 201540), (10077, 179140), (10140, 178027), (10335, 174668), (13436, 134355), (13780, 131001), (16795, 107484), (17914, 100770), (20154, 89570), (20670, 87334), (26871, 67180), (33590, 53742), (35828, 50385), (40308, 44785), (41340, 43667)]