71978340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{593}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 245089152

約数和(自身を除く): 173110812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 289, 340, 357, 420, 476, 510, 578, 593, 595, 714, 867, 1020, 1156, 1186, 1190, 1428, 1445, 1734, 1779, 1785, 2023, 2372, 2380, 2890, 2965, 3468, 3558, 3570, 4046, 4151, 4335, 5780, 5930, 6069, 7116, 7140, 8092, 8302, 8670, 8895, 10081, 10115, 11860, 12138, 12453, 16604, 17340, 17790, 20162, 20230, 20755, 24276, 24906, 30243, 30345, 35580, 40324, 40460, 41510, 49812, 50405, 60486, 60690, 62265, 70567, 83020, 100810, 120972, 121380, 124530, 141134, 151215, 171377, 201620, 211701, 249060, 282268, 302430, 342754, 352835, 423402, 514131, 604860, 685508, 705670, 846804, 856885, 1028262, 1058505, 1199639, 1411340, 1713770, 2056524, 2117010, 2399278, 2570655, 3427540, 3598917, 4234020, 4798556, 5141310, 5998195, 7197834, 10282620, 11996390, 14395668, 17994585, 23992780, 35989170, 71978340]

約数ペア:

[(1, 71978340), (2, 35989170), (3, 23992780), (4, 17994585), (5, 14395668), (6, 11996390), (7, 10282620), (10, 7197834), (12, 5998195), (14, 5141310), (15, 4798556), (17, 4234020), (20, 3598917), (21, 3427540), (28, 2570655), (30, 2399278), (34, 2117010), (35, 2056524), (42, 1713770), (51, 1411340), (60, 1199639), (68, 1058505), (70, 1028262), (84, 856885), (85, 846804), (102, 705670), (105, 685508), (119, 604860), (140, 514131), (170, 423402), (204, 352835), (210, 342754), (238, 302430), (255, 282268), (289, 249060), (340, 211701), (357, 201620), (420, 171377), (476, 151215), (510, 141134), (578, 124530), (593, 121380), (595, 120972), (714, 100810), (867, 83020), (1020, 70567), (1156, 62265), (1186, 60690), (1190, 60486), (1428, 50405), (1445, 49812), (1734, 41510), (1779, 40460), (1785, 40324), (2023, 35580), (2372, 30345), (2380, 30243), (2890, 24906), (2965, 24276), (3468, 20755), (3558, 20230), (3570, 20162), (4046, 17790), (4151, 17340), (4335, 16604), (5780, 12453), (5930, 12138), (6069, 11860), (7116, 10115), (7140, 10081), (8092, 8895), (8302, 8670)]