320445450

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 1034308800

約数和(自身を除く): 713863350

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 27, 30, 31, 38, 39, 45, 50, 54, 57, 62, 65, 75, 78, 90, 93, 95, 114, 117, 130, 135, 150, 155, 171, 186, 190, 195, 225, 234, 247, 270, 279, 285, 310, 325, 342, 351, 390, 403, 450, 465, 475, 494, 513, 558, 570, 585, 589, 650, 675, 702, 741, 775, 806, 837, 855, 930, 950, 961, 975, 1026, 1170, 1178, 1209, 1235, 1350, 1395, 1425, 1482, 1550, 1674, 1710, 1755, 1767, 1922, 1950, 2015, 2223, 2325, 2418, 2470, 2565, 2790, 2850, 2883, 2925, 2945, 3510, 3534, 3627, 3705, 4030, 4185, 4275, 4446, 4650, 4805, 5130, 5301, 5766, 5850, 5890, 6045, 6175, 6669, 6975, 7254, 7410, 7657, 8370, 8550, 8649, 8775, 8835, 9610, 10075, 10602, 10881, 11115, 12090, 12350, 12493, 12825, 13338, 13950, 14415, 14725, 15314, 15903, 17298, 17550, 17670, 18135, 18259, 18525, 20150, 20925, 21762, 22230, 22971, 24025, 24986, 25650, 25947, 26505, 28830, 29450, 30225, 31806, 33345, 36270, 36518, 37050, 37479, 38285, 41850, 43245, 44175, 45942, 48050, 51894, 53010, 54405, 54777, 55575, 60450, 62465, 66690, 68913, 72075, 74958, 76570, 79515, 86490, 88350, 90675, 91295, 108810, 109554, 111150, 112437, 114855, 124930, 129735, 132525, 137826, 144150, 159030, 164331, 166725, 181350, 182590, 187395, 191425, 206739, 216225, 224874, 229710, 237367, 259470, 265050, 272025, 273885, 312325, 328662, 333450, 337311, 344565, 374790, 382850, 397575, 413478, 432450, 456475, 474734, 492993, 544050, 547770, 562185, 574275, 624650, 648675, 674622, 689130, 712101, 795150, 821655, 912950, 936975, 985986, 1033695, 1124370, 1148550, 1186835, 1297350, 1369425, 1424202, 1643310, 1686555, 1722825, 1873950, 2067390, 2136303, 2373670, 2464965, 2738850, 2810925, 3373110, 3445650, 3560505, 4108275, 4272606, 4929930, 5168475, 5621850, 5934175, 6408909, 7121010, 8216550, 8432775, 10336950, 10681515, 11868350, 12324825, 12817818, 16865550, 17802525, 21363030, 24649650, 32044545, 35605050, 53407575, 64089090, 106815150, 160222725, 320445450]

約数ペア:

[(1, 320445450), (2, 160222725), (3, 106815150), (5, 64089090), (6, 53407575), (9, 35605050), (10, 32044545), (13, 24649650), (15, 21363030), (18, 17802525), (19, 16865550), (25, 12817818), (26, 12324825), (27, 11868350), (30, 10681515), (31, 10336950), (38, 8432775), (39, 8216550), (45, 7121010), (50, 6408909), (54, 5934175), (57, 5621850), (62, 5168475), (65, 4929930), (75, 4272606), (78, 4108275), (90, 3560505), (93, 3445650), (95, 3373110), (114, 2810925), (117, 2738850), (130, 2464965), (135, 2373670), (150, 2136303), (155, 2067390), (171, 1873950), (186, 1722825), (190, 1686555), (195, 1643310), (225, 1424202), (234, 1369425), (247, 1297350), (270, 1186835), (279, 1148550), (285, 1124370), (310, 1033695), (325, 985986), (342, 936975), (351, 912950), (390, 821655), (403, 795150), (450, 712101), (465, 689130), (475, 674622), (494, 648675), (513, 624650), (558, 574275), (570, 562185), (585, 547770), (589, 544050), (650, 492993), (675, 474734), (702, 456475), (741, 432450), (775, 413478), (806, 397575), (837, 382850), (855, 374790), (930, 344565), (950, 337311), (961, 333450), (975, 328662), (1026, 312325), (1170, 273885), (1178, 272025), (1209, 265050), (1235, 259470), (1350, 237367), (1395, 229710), (1425, 224874), (1482, 216225), (1550, 206739), (1674, 191425), (1710, 187395), (1755, 182590), (1767, 181350), (1922, 166725), (1950, 164331), (2015, 159030), (2223, 144150), (2325, 137826), (2418, 132525), (2470, 129735), (2565, 124930), (2790, 114855), (2850, 112437), (2883, 111150), (2925, 109554), (2945, 108810), (3510, 91295), (3534, 90675), (3627, 88350), (3705, 86490), (4030, 79515), (4185, 76570), (4275, 74958), (4446, 72075), (4650, 68913), (4805, 66690), (5130, 62465), (5301, 60450), (5766, 55575), (5850, 54777), (5890, 54405), (6045, 53010), (6175, 51894), (6669, 48050), (6975, 45942), (7254, 44175), (7410, 43245), (7657, 41850), (8370, 38285), (8550, 37479), (8649, 37050), (8775, 36518), (8835, 36270), (9610, 33345), (10075, 31806), (10602, 30225), (10881, 29450), (11115, 28830), (12090, 26505), (12350, 25947), (12493, 25650), (12825, 24986), (13338, 24025), (13950, 22971), (14415, 22230), (14725, 21762), (15314, 20925), (15903, 20150), (17298, 18525), (17550, 18259), (17670, 18135)]