30239880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 102297600

約数和(自身を除く): 72057720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 739, 744, 930, 1023, 1240, 1320, 1364, 1478, 1705, 1860, 2046, 2217, 2728, 2956, 3410, 3695, 3720, 4092, 4434, 5115, 5912, 6820, 7390, 8129, 8184, 8868, 10230, 11085, 13640, 14780, 16258, 17736, 20460, 22170, 22909, 24387, 29560, 32516, 40645, 40920, 44340, 45818, 48774, 65032, 68727, 81290, 88680, 91636, 97548, 114545, 121935, 137454, 162580, 183272, 195096, 229090, 243870, 251999, 274908, 325160, 343635, 458180, 487740, 503998, 549816, 687270, 755997, 916360, 975480, 1007996, 1259995, 1374540, 1511994, 2015992, 2519990, 2749080, 3023988, 3779985, 5039980, 6047976, 7559970, 10079960, 15119940, 30239880]

約数ペア:

[(1, 30239880), (2, 15119940), (3, 10079960), (4, 7559970), (5, 6047976), (6, 5039980), (8, 3779985), (10, 3023988), (11, 2749080), (12, 2519990), (15, 2015992), (20, 1511994), (22, 1374540), (24, 1259995), (30, 1007996), (31, 975480), (33, 916360), (40, 755997), (44, 687270), (55, 549816), (60, 503998), (62, 487740), (66, 458180), (88, 343635), (93, 325160), (110, 274908), (120, 251999), (124, 243870), (132, 229090), (155, 195096), (165, 183272), (186, 162580), (220, 137454), (248, 121935), (264, 114545), (310, 97548), (330, 91636), (341, 88680), (372, 81290), (440, 68727), (465, 65032), (620, 48774), (660, 45818), (682, 44340), (739, 40920), (744, 40645), (930, 32516), (1023, 29560), (1240, 24387), (1320, 22909), (1364, 22170), (1478, 20460), (1705, 17736), (1860, 16258), (2046, 14780), (2217, 13640), (2728, 11085), (2956, 10230), (3410, 8868), (3695, 8184), (3720, 8129), (4092, 7390), (4434, 6820), (5115, 5912)]