172389420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 288

約数和(自身を含む): 634023936

約数和(自身を除く): 461634516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 47, 60, 63, 70, 71, 82, 84, 90, 94, 105, 123, 126, 140, 141, 142, 164, 180, 188, 205, 210, 213, 235, 246, 252, 282, 284, 287, 315, 329, 355, 369, 410, 420, 423, 426, 470, 492, 497, 564, 574, 615, 630, 639, 658, 705, 710, 738, 820, 846, 852, 861, 940, 987, 994, 1065, 1148, 1230, 1260, 1278, 1316, 1410, 1420, 1435, 1476, 1491, 1645, 1692, 1722, 1845, 1927, 1974, 1988, 2115, 2130, 2460, 2485, 2556, 2583, 2820, 2870, 2911, 2961, 2982, 3195, 3290, 3337, 3444, 3690, 3854, 3948, 4230, 4260, 4305, 4473, 4935, 4970, 5166, 5740, 5781, 5822, 5922, 5964, 6390, 6580, 6674, 7380, 7455, 7708, 8460, 8610, 8733, 8946, 9635, 9870, 9940, 10011, 10332, 11562, 11644, 11844, 12780, 12915, 13348, 13489, 14555, 14805, 14910, 16685, 17220, 17343, 17466, 17892, 19270, 19740, 20022, 20377, 22365, 23124, 23359, 25830, 26199, 26978, 28905, 29110, 29610, 29820, 30033, 33370, 34686, 34932, 38540, 40044, 40467, 40754, 43665, 44730, 46718, 50055, 51660, 52398, 53956, 57810, 58220, 59220, 60066, 61131, 66740, 67445, 69372, 70077, 80934, 81508, 86715, 87330, 89460, 93436, 100110, 101885, 104796, 115620, 116795, 120132, 121401, 122262, 130995, 134890, 136817, 140154, 150165, 161868, 173430, 174660, 183393, 200220, 202335, 203770, 210231, 233590, 242802, 244524, 261990, 269780, 273634, 280308, 300330, 305655, 346860, 350385, 366786, 404670, 407540, 410451, 420462, 467180, 485604, 523980, 547268, 600660, 607005, 611310, 684085, 700770, 733572, 809340, 820902, 840924, 916965, 957719, 1051155, 1214010, 1222620, 1231353, 1368170, 1401540, 1641804, 1833930, 1915438, 2052255, 2102310, 2428020, 2462706, 2736340, 2873157, 3667860, 3830876, 4104510, 4204620, 4788595, 4925412, 5746314, 6156765, 8209020, 8619471, 9577190, 11492628, 12313530, 14365785, 17238942, 19154380, 24627060, 28731570, 34477884, 43097355, 57463140, 86194710, 172389420]

約数ペア:

[(1, 172389420), (2, 86194710), (3, 57463140), (4, 43097355), (5, 34477884), (6, 28731570), (7, 24627060), (9, 19154380), (10, 17238942), (12, 14365785), (14, 12313530), (15, 11492628), (18, 9577190), (20, 8619471), (21, 8209020), (28, 6156765), (30, 5746314), (35, 4925412), (36, 4788595), (41, 4204620), (42, 4104510), (45, 3830876), (47, 3667860), (60, 2873157), (63, 2736340), (70, 2462706), (71, 2428020), (82, 2102310), (84, 2052255), (90, 1915438), (94, 1833930), (105, 1641804), (123, 1401540), (126, 1368170), (140, 1231353), (141, 1222620), (142, 1214010), (164, 1051155), (180, 957719), (188, 916965), (205, 840924), (210, 820902), (213, 809340), (235, 733572), (246, 700770), (252, 684085), (282, 611310), (284, 607005), (287, 600660), (315, 547268), (329, 523980), (355, 485604), (369, 467180), (410, 420462), (420, 410451), (423, 407540), (426, 404670), (470, 366786), (492, 350385), (497, 346860), (564, 305655), (574, 300330), (615, 280308), (630, 273634), (639, 269780), (658, 261990), (705, 244524), (710, 242802), (738, 233590), (820, 210231), (846, 203770), (852, 202335), (861, 200220), (940, 183393), (987, 174660), (994, 173430), (1065, 161868), (1148, 150165), (1230, 140154), (1260, 136817), (1278, 134890), (1316, 130995), (1410, 122262), (1420, 121401), (1435, 120132), (1476, 116795), (1491, 115620), (1645, 104796), (1692, 101885), (1722, 100110), (1845, 93436), (1927, 89460), (1974, 87330), (1988, 86715), (2115, 81508), (2130, 80934), (2460, 70077), (2485, 69372), (2556, 67445), (2583, 66740), (2820, 61131), (2870, 60066), (2911, 59220), (2961, 58220), (2982, 57810), (3195, 53956), (3290, 52398), (3337, 51660), (3444, 50055), (3690, 46718), (3854, 44730), (3948, 43665), (4230, 40754), (4260, 40467), (4305, 40044), (4473, 38540), (4935, 34932), (4970, 34686), (5166, 33370), (5740, 30033), (5781, 29820), (5822, 29610), (5922, 29110), (5964, 28905), (6390, 26978), (6580, 26199), (6674, 25830), (7380, 23359), (7455, 23124), (7708, 22365), (8460, 20377), (8610, 20022), (8733, 19740), (8946, 19270), (9635, 17892), (9870, 17466), (9940, 17343), (10011, 17220), (10332, 16685), (11562, 14910), (11644, 14805), (11844, 14555), (12780, 13489), (12915, 13348)]