79974180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 216

約数和(自身を含む): 287763840

約数和(自身を除く): 207789660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 169, 180, 195, 198, 220, 234, 239, 260, 286, 330, 338, 390, 396, 429, 468, 478, 495, 507, 572, 585, 660, 676, 715, 717, 780, 845, 858, 956, 990, 1014, 1170, 1195, 1287, 1430, 1434, 1521, 1690, 1716, 1859, 1980, 2028, 2145, 2151, 2340, 2390, 2535, 2574, 2629, 2860, 2868, 3042, 3107, 3380, 3585, 3718, 4290, 4302, 4780, 5070, 5148, 5258, 5577, 6084, 6214, 6435, 7170, 7436, 7605, 7887, 8580, 8604, 9295, 9321, 10140, 10516, 10755, 11154, 12428, 12870, 13145, 14340, 15210, 15535, 15774, 16731, 18590, 18642, 21510, 22308, 23661, 25740, 26290, 27885, 27963, 30420, 31070, 31548, 33462, 34177, 37180, 37284, 39435, 40391, 43020, 46605, 47322, 52580, 55770, 55926, 62140, 66924, 68354, 78870, 80782, 83655, 93210, 94644, 102531, 111540, 111852, 118305, 121173, 136708, 139815, 157740, 161564, 167310, 170885, 186420, 201955, 205062, 236610, 242346, 279630, 307593, 334620, 341770, 363519, 403910, 410124, 444301, 473220, 484692, 512655, 559260, 605865, 615186, 683540, 727038, 807820, 888602, 1025310, 1211730, 1230372, 1332903, 1454076, 1537965, 1777204, 1817595, 2050620, 2221505, 2423460, 2665806, 3075930, 3635190, 3998709, 4443010, 5331612, 6151860, 6664515, 7270380, 7997418, 8886020, 13329030, 15994836, 19993545, 26658060, 39987090, 79974180]

約数ペア:

[(1, 79974180), (2, 39987090), (3, 26658060), (4, 19993545), (5, 15994836), (6, 13329030), (9, 8886020), (10, 7997418), (11, 7270380), (12, 6664515), (13, 6151860), (15, 5331612), (18, 4443010), (20, 3998709), (22, 3635190), (26, 3075930), (30, 2665806), (33, 2423460), (36, 2221505), (39, 2050620), (44, 1817595), (45, 1777204), (52, 1537965), (55, 1454076), (60, 1332903), (65, 1230372), (66, 1211730), (78, 1025310), (90, 888602), (99, 807820), (110, 727038), (117, 683540), (130, 615186), (132, 605865), (143, 559260), (156, 512655), (165, 484692), (169, 473220), (180, 444301), (195, 410124), (198, 403910), (220, 363519), (234, 341770), (239, 334620), (260, 307593), (286, 279630), (330, 242346), (338, 236610), (390, 205062), (396, 201955), (429, 186420), (468, 170885), (478, 167310), (495, 161564), (507, 157740), (572, 139815), (585, 136708), (660, 121173), (676, 118305), (715, 111852), (717, 111540), (780, 102531), (845, 94644), (858, 93210), (956, 83655), (990, 80782), (1014, 78870), (1170, 68354), (1195, 66924), (1287, 62140), (1430, 55926), (1434, 55770), (1521, 52580), (1690, 47322), (1716, 46605), (1859, 43020), (1980, 40391), (2028, 39435), (2145, 37284), (2151, 37180), (2340, 34177), (2390, 33462), (2535, 31548), (2574, 31070), (2629, 30420), (2860, 27963), (2868, 27885), (3042, 26290), (3107, 25740), (3380, 23661), (3585, 22308), (3718, 21510), (4290, 18642), (4302, 18590), (4780, 16731), (5070, 15774), (5148, 15535), (5258, 15210), (5577, 14340), (6084, 13145), (6214, 12870), (6435, 12428), (7170, 11154), (7436, 10755), (7605, 10516), (7887, 10140), (8580, 9321), (8604, 9295)]