280948980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 863291520

約数和(自身を除く): 582342540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 169, 195, 206, 260, 269, 309, 338, 390, 412, 507, 515, 538, 618, 676, 780, 807, 845, 1014, 1030, 1076, 1236, 1339, 1345, 1545, 1614, 1690, 2028, 2060, 2535, 2678, 2690, 3090, 3228, 3380, 3497, 4017, 4035, 5070, 5356, 5380, 6180, 6695, 6994, 8034, 8070, 10140, 10491, 13390, 13988, 16068, 16140, 17407, 17485, 20085, 20982, 26780, 27707, 34814, 34970, 40170, 41964, 45461, 52221, 52455, 55414, 69628, 69940, 80340, 83121, 87035, 90922, 104442, 104910, 110828, 136383, 138535, 166242, 174070, 181844, 208884, 209820, 227305, 261105, 272766, 277070, 332484, 348140, 360191, 415605, 454610, 522210, 545532, 554140, 681915, 720382, 831210, 909220, 1044420, 1080573, 1363830, 1440764, 1662420, 1800955, 2161146, 2727660, 3601910, 4322292, 4682483, 5402865, 7203820, 9364966, 10805730, 14047449, 18729932, 21611460, 23412415, 28094898, 46824830, 56189796, 70237245, 93649660, 140474490, 280948980]

約数ペア:

[(1, 280948980), (2, 140474490), (3, 93649660), (4, 70237245), (5, 56189796), (6, 46824830), (10, 28094898), (12, 23412415), (13, 21611460), (15, 18729932), (20, 14047449), (26, 10805730), (30, 9364966), (39, 7203820), (52, 5402865), (60, 4682483), (65, 4322292), (78, 3601910), (103, 2727660), (130, 2161146), (156, 1800955), (169, 1662420), (195, 1440764), (206, 1363830), (260, 1080573), (269, 1044420), (309, 909220), (338, 831210), (390, 720382), (412, 681915), (507, 554140), (515, 545532), (538, 522210), (618, 454610), (676, 415605), (780, 360191), (807, 348140), (845, 332484), (1014, 277070), (1030, 272766), (1076, 261105), (1236, 227305), (1339, 209820), (1345, 208884), (1545, 181844), (1614, 174070), (1690, 166242), (2028, 138535), (2060, 136383), (2535, 110828), (2678, 104910), (2690, 104442), (3090, 90922), (3228, 87035), (3380, 83121), (3497, 80340), (4017, 69940), (4035, 69628), (5070, 55414), (5356, 52455), (5380, 52221), (6180, 45461), (6695, 41964), (6994, 40170), (8034, 34970), (8070, 34814), (10140, 27707), (10491, 26780), (13390, 20982), (13988, 20085), (16068, 17485), (16140, 17407)]