195888420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11959}}^1$

素因数の和:11994

約数の個数: 144

約数和(自身を含む): 731377920

約数和(自身を除く): 535489500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 11959, 16380, 23918, 35877, 47836, 59795, 71754, 83713, 107631, 119590, 143508, 155467, 167426, 179385, 215262, 239180, 251139, 310934, 334852, 358770, 418565, 430524, 466401, 502278, 538155, 621868, 717540, 753417, 777335, 837130, 932802, 1004556, 1076310, 1088269, 1255695, 1399203, 1506834, 1554670, 1674260, 1865604, 2152620, 2176538, 2332005, 2511390, 2798406, 3013668, 3109340, 3264807, 3767085, 4353076, 4664010, 5022780, 5441345, 5596812, 6529614, 6996015, 7534170, 9328020, 9794421, 10882690, 13059228, 13992030, 15068340, 16324035, 19588842, 21765380, 27984060, 32648070, 39177684, 48972105, 65296140, 97944210, 195888420]

約数ペア:

[(1, 195888420), (2, 97944210), (3, 65296140), (4, 48972105), (5, 39177684), (6, 32648070), (7, 27984060), (9, 21765380), (10, 19588842), (12, 16324035), (13, 15068340), (14, 13992030), (15, 13059228), (18, 10882690), (20, 9794421), (21, 9328020), (26, 7534170), (28, 6996015), (30, 6529614), (35, 5596812), (36, 5441345), (39, 5022780), (42, 4664010), (45, 4353076), (52, 3767085), (60, 3264807), (63, 3109340), (65, 3013668), (70, 2798406), (78, 2511390), (84, 2332005), (90, 2176538), (91, 2152620), (105, 1865604), (117, 1674260), (126, 1554670), (130, 1506834), (140, 1399203), (156, 1255695), (180, 1088269), (182, 1076310), (195, 1004556), (210, 932802), (234, 837130), (252, 777335), (260, 753417), (273, 717540), (315, 621868), (364, 538155), (390, 502278), (420, 466401), (455, 430524), (468, 418565), (546, 358770), (585, 334852), (630, 310934), (780, 251139), (819, 239180), (910, 215262), (1092, 179385), (1170, 167426), (1260, 155467), (1365, 143508), (1638, 119590), (1820, 107631), (2340, 83713), (2730, 71754), (3276, 59795), (4095, 47836), (5460, 35877), (8190, 23918), (11959, 16380)]