121811820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 379626912

約数和(自身を除く): 257815092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 169, 195, 205, 246, 260, 293, 338, 390, 410, 492, 507, 533, 586, 615, 676, 780, 820, 845, 879, 1014, 1066, 1172, 1230, 1465, 1599, 1690, 1758, 2028, 2132, 2460, 2535, 2665, 2930, 3198, 3380, 3516, 3809, 4395, 5070, 5330, 5860, 6396, 6929, 7618, 7995, 8790, 10140, 10660, 11427, 12013, 13858, 15236, 15990, 17580, 19045, 20787, 22854, 24026, 27716, 31980, 34645, 36039, 38090, 41574, 45708, 48052, 49517, 57135, 60065, 69290, 72078, 76180, 83148, 99034, 103935, 114270, 120130, 138580, 144156, 148551, 156169, 180195, 198068, 207870, 228540, 240260, 247585, 297102, 312338, 360390, 415740, 468507, 495170, 594204, 624676, 720780, 742755, 780845, 937014, 990340, 1485510, 1561690, 1874028, 2030197, 2342535, 2971020, 3123380, 4060394, 4685070, 6090591, 8120788, 9370140, 10150985, 12181182, 20301970, 24362364, 30452955, 40603940, 60905910, 121811820]

約数ペア:

[(1, 121811820), (2, 60905910), (3, 40603940), (4, 30452955), (5, 24362364), (6, 20301970), (10, 12181182), (12, 10150985), (13, 9370140), (15, 8120788), (20, 6090591), (26, 4685070), (30, 4060394), (39, 3123380), (41, 2971020), (52, 2342535), (60, 2030197), (65, 1874028), (78, 1561690), (82, 1485510), (123, 990340), (130, 937014), (156, 780845), (164, 742755), (169, 720780), (195, 624676), (205, 594204), (246, 495170), (260, 468507), (293, 415740), (338, 360390), (390, 312338), (410, 297102), (492, 247585), (507, 240260), (533, 228540), (586, 207870), (615, 198068), (676, 180195), (780, 156169), (820, 148551), (845, 144156), (879, 138580), (1014, 120130), (1066, 114270), (1172, 103935), (1230, 99034), (1465, 83148), (1599, 76180), (1690, 72078), (1758, 69290), (2028, 60065), (2132, 57135), (2460, 49517), (2535, 48052), (2665, 45708), (2930, 41574), (3198, 38090), (3380, 36039), (3516, 34645), (3809, 31980), (4395, 27716), (5070, 24026), (5330, 22854), (5860, 20787), (6396, 19045), (6929, 17580), (7618, 15990), (7995, 15236), (8790, 13858), (10140, 12013), (10660, 11427)]