7321140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 22506120

約数和(自身を除く): 15184980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 457, 534, 801, 890, 914, 1068, 1335, 1371, 1602, 1780, 1828, 2285, 2670, 2742, 3204, 4005, 4113, 4570, 5340, 5484, 6855, 8010, 8226, 9140, 13710, 16020, 16452, 20565, 27420, 40673, 41130, 81346, 82260, 122019, 162692, 203365, 244038, 366057, 406730, 488076, 610095, 732114, 813460, 1220190, 1464228, 1830285, 2440380, 3660570, 7321140]

約数ペア:

[(1, 7321140), (2, 3660570), (3, 2440380), (4, 1830285), (5, 1464228), (6, 1220190), (9, 813460), (10, 732114), (12, 610095), (15, 488076), (18, 406730), (20, 366057), (30, 244038), (36, 203365), (45, 162692), (60, 122019), (89, 82260), (90, 81346), (178, 41130), (180, 40673), (267, 27420), (356, 20565), (445, 16452), (457, 16020), (534, 13710), (801, 9140), (890, 8226), (914, 8010), (1068, 6855), (1335, 5484), (1371, 5340), (1602, 4570), (1780, 4113), (1828, 4005), (2285, 3204), (2670, 2742)]