771897420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1697}}^1$

素因数の和:1757

約数の個数: 216

約数和(自身を含む): 2825825184

約数和(自身を除く): 2053927764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 361, 380, 399, 420, 532, 570, 630, 665, 684, 722, 798, 855, 1083, 1140, 1197, 1260, 1330, 1444, 1596, 1697, 1710, 1805, 1995, 2166, 2394, 2527, 2660, 3249, 3394, 3420, 3610, 3990, 4332, 4788, 5054, 5091, 5415, 5985, 6498, 6788, 7220, 7581, 7980, 8485, 10108, 10182, 10830, 11879, 11970, 12635, 12996, 15162, 15273, 16245, 16970, 20364, 21660, 22743, 23758, 23940, 25270, 25455, 30324, 30546, 32243, 32490, 33940, 35637, 37905, 45486, 47516, 50540, 50910, 59395, 61092, 64486, 64980, 71274, 75810, 76365, 90972, 96729, 101820, 106911, 113715, 118790, 128972, 142548, 151620, 152730, 161215, 178185, 193458, 213822, 225701, 227430, 237580, 290187, 305460, 322430, 356370, 386916, 427644, 451402, 454860, 483645, 534555, 580374, 612617, 644860, 677103, 712740, 902804, 967290, 1069110, 1128505, 1160748, 1225234, 1354206, 1450935, 1837851, 1934580, 2031309, 2138220, 2257010, 2450468, 2708412, 2901870, 3063085, 3385515, 3675702, 4062618, 4288319, 4514020, 5513553, 5803740, 6126170, 6771030, 7351404, 8125236, 8576638, 9189255, 10156545, 11027106, 12252340, 12864957, 13542060, 17153276, 18378510, 20313090, 21441595, 22054212, 25729914, 27567765, 36757020, 38594871, 40626180, 42883190, 51459828, 55135530, 64324785, 77189742, 85766380, 110271060, 128649570, 154379484, 192974355, 257299140, 385948710, 771897420]

約数ペア:

[(1, 771897420), (2, 385948710), (3, 257299140), (4, 192974355), (5, 154379484), (6, 128649570), (7, 110271060), (9, 85766380), (10, 77189742), (12, 64324785), (14, 55135530), (15, 51459828), (18, 42883190), (19, 40626180), (20, 38594871), (21, 36757020), (28, 27567765), (30, 25729914), (35, 22054212), (36, 21441595), (38, 20313090), (42, 18378510), (45, 17153276), (57, 13542060), (60, 12864957), (63, 12252340), (70, 11027106), (76, 10156545), (84, 9189255), (90, 8576638), (95, 8125236), (105, 7351404), (114, 6771030), (126, 6126170), (133, 5803740), (140, 5513553), (171, 4514020), (180, 4288319), (190, 4062618), (210, 3675702), (228, 3385515), (252, 3063085), (266, 2901870), (285, 2708412), (315, 2450468), (342, 2257010), (361, 2138220), (380, 2031309), (399, 1934580), (420, 1837851), (532, 1450935), (570, 1354206), (630, 1225234), (665, 1160748), (684, 1128505), (722, 1069110), (798, 967290), (855, 902804), (1083, 712740), (1140, 677103), (1197, 644860), (1260, 612617), (1330, 580374), (1444, 534555), (1596, 483645), (1697, 454860), (1710, 451402), (1805, 427644), (1995, 386916), (2166, 356370), (2394, 322430), (2527, 305460), (2660, 290187), (3249, 237580), (3394, 227430), (3420, 225701), (3610, 213822), (3990, 193458), (4332, 178185), (4788, 161215), (5054, 152730), (5091, 151620), (5415, 142548), (5985, 128972), (6498, 118790), (6788, 113715), (7220, 106911), (7581, 101820), (7980, 96729), (8485, 90972), (10108, 76365), (10182, 75810), (10830, 71274), (11879, 64980), (11970, 64486), (12635, 61092), (12996, 59395), (15162, 50910), (15273, 50540), (16245, 47516), (16970, 45486), (20364, 37905), (21660, 35637), (22743, 33940), (23758, 32490), (23940, 32243), (25270, 30546), (25455, 30324)]