781314390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:117

約数の個数: 256

約数和(自身を含む): 2405376000

約数和(自身を除く): 1624061610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 31, 34, 38, 45, 51, 54, 57, 62, 85, 90, 93, 95, 102, 114, 135, 153, 155, 170, 171, 186, 190, 255, 270, 279, 285, 289, 306, 310, 323, 342, 459, 465, 510, 513, 527, 558, 570, 578, 589, 646, 765, 837, 855, 867, 918, 930, 969, 1026, 1054, 1178, 1395, 1445, 1530, 1581, 1615, 1674, 1710, 1734, 1767, 1938, 2295, 2565, 2601, 2635, 2790, 2890, 2907, 2945, 3162, 3230, 3534, 4185, 4335, 4590, 4743, 4845, 4913, 5130, 5202, 5270, 5301, 5491, 5814, 5890, 7803, 7905, 8370, 8670, 8721, 8835, 8959, 9486, 9690, 9826, 10013, 10602, 10982, 13005, 14229, 14535, 14739, 15606, 15810, 15903, 16473, 17442, 17670, 17918, 20026, 23715, 24565, 26010, 26505, 26877, 27455, 28458, 29070, 29478, 30039, 31806, 32946, 39015, 43605, 44217, 44795, 47430, 49130, 49419, 50065, 53010, 53754, 54910, 60078, 71145, 73695, 78030, 79515, 80631, 82365, 87210, 88434, 89590, 90117, 93347, 98838, 100130, 132651, 134385, 142290, 147390, 148257, 150195, 152303, 159030, 161262, 164730, 170221, 180234, 186694, 221085, 241893, 247095, 265302, 268770, 270351, 280041, 296514, 300390, 304606, 340442, 403155, 442170, 450585, 456909, 466735, 483786, 494190, 510663, 540702, 560082, 663255, 741285, 761515, 806310, 840123, 851105, 901170, 913818, 933470, 1021326, 1209465, 1326510, 1351755, 1370727, 1400205, 1482570, 1523030, 1531989, 1680246, 1702210, 2284545, 2418930, 2520369, 2553315, 2703510, 2741454, 2800410, 2893757, 3063978, 4112181, 4200615, 4569090, 4595967, 5040738, 5106630, 5787514, 6853635, 7659945, 8224362, 8401230, 8681271, 9191934, 12601845, 13707270, 14468785, 15319890, 17362542, 20560905, 22979835, 25203690, 26043813, 28937570, 41121810, 43406355, 45959670, 52087626, 78131439, 86812710, 130219065, 156262878, 260438130, 390657195, 781314390]

約数ペア:

[(1, 781314390), (2, 390657195), (3, 260438130), (5, 156262878), (6, 130219065), (9, 86812710), (10, 78131439), (15, 52087626), (17, 45959670), (18, 43406355), (19, 41121810), (27, 28937570), (30, 26043813), (31, 25203690), (34, 22979835), (38, 20560905), (45, 17362542), (51, 15319890), (54, 14468785), (57, 13707270), (62, 12601845), (85, 9191934), (90, 8681271), (93, 8401230), (95, 8224362), (102, 7659945), (114, 6853635), (135, 5787514), (153, 5106630), (155, 5040738), (170, 4595967), (171, 4569090), (186, 4200615), (190, 4112181), (255, 3063978), (270, 2893757), (279, 2800410), (285, 2741454), (289, 2703510), (306, 2553315), (310, 2520369), (323, 2418930), (342, 2284545), (459, 1702210), (465, 1680246), (510, 1531989), (513, 1523030), (527, 1482570), (558, 1400205), (570, 1370727), (578, 1351755), (589, 1326510), (646, 1209465), (765, 1021326), (837, 933470), (855, 913818), (867, 901170), (918, 851105), (930, 840123), (969, 806310), (1026, 761515), (1054, 741285), (1178, 663255), (1395, 560082), (1445, 540702), (1530, 510663), (1581, 494190), (1615, 483786), (1674, 466735), (1710, 456909), (1734, 450585), (1767, 442170), (1938, 403155), (2295, 340442), (2565, 304606), (2601, 300390), (2635, 296514), (2790, 280041), (2890, 270351), (2907, 268770), (2945, 265302), (3162, 247095), (3230, 241893), (3534, 221085), (4185, 186694), (4335, 180234), (4590, 170221), (4743, 164730), (4845, 161262), (4913, 159030), (5130, 152303), (5202, 150195), (5270, 148257), (5301, 147390), (5491, 142290), (5814, 134385), (5890, 132651), (7803, 100130), (7905, 98838), (8370, 93347), (8670, 90117), (8721, 89590), (8835, 88434), (8959, 87210), (9486, 82365), (9690, 80631), (9826, 79515), (10013, 78030), (10602, 73695), (10982, 71145), (13005, 60078), (14229, 54910), (14535, 53754), (14739, 53010), (15606, 50065), (15810, 49419), (15903, 49130), (16473, 47430), (17442, 44795), (17670, 44217), (17918, 43605), (20026, 39015), (23715, 32946), (24565, 31806), (26010, 30039), (26505, 29478), (26877, 29070), (27455, 28458)]