216636840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12281}}^1$

素因数の和:12312

約数の個数: 144

約数和(自身を含む): 819086580

約数和(自身を除く): 602449740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12281, 17640, 24562, 36843, 49124, 61405, 73686, 85967, 98248, 110529, 122810, 147372, 171934, 184215, 221058, 245620, 257901, 294744, 343868, 368430, 429835, 442116, 491240, 515802, 552645, 601769, 687736, 736860, 773703, 859670, 884232, 1031604, 1105290, 1203538, 1289505, 1473720, 1547406, 1719340, 1805307, 2063208, 2210580, 2407076, 2579010, 3008845, 3094812, 3438680, 3610614, 3868515, 4421160, 4814152, 5158020, 5415921, 6017690, 6189624, 7221228, 7737030, 9026535, 10316040, 10831842, 12035380, 14442456, 15474060, 18053070, 21663684, 24070760, 27079605, 30948120, 36106140, 43327368, 54159210, 72212280, 108318420, 216636840]

約数ペア:

[(1, 216636840), (2, 108318420), (3, 72212280), (4, 54159210), (5, 43327368), (6, 36106140), (7, 30948120), (8, 27079605), (9, 24070760), (10, 21663684), (12, 18053070), (14, 15474060), (15, 14442456), (18, 12035380), (20, 10831842), (21, 10316040), (24, 9026535), (28, 7737030), (30, 7221228), (35, 6189624), (36, 6017690), (40, 5415921), (42, 5158020), (45, 4814152), (49, 4421160), (56, 3868515), (60, 3610614), (63, 3438680), (70, 3094812), (72, 3008845), (84, 2579010), (90, 2407076), (98, 2210580), (105, 2063208), (120, 1805307), (126, 1719340), (140, 1547406), (147, 1473720), (168, 1289505), (180, 1203538), (196, 1105290), (210, 1031604), (245, 884232), (252, 859670), (280, 773703), (294, 736860), (315, 687736), (360, 601769), (392, 552645), (420, 515802), (441, 491240), (490, 442116), (504, 429835), (588, 368430), (630, 343868), (735, 294744), (840, 257901), (882, 245620), (980, 221058), (1176, 184215), (1260, 171934), (1470, 147372), (1764, 122810), (1960, 110529), (2205, 98248), (2520, 85967), (2940, 73686), (3528, 61405), (4410, 49124), (5880, 36843), (8820, 24562), (12281, 17640)]