15380457820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1861}}^1$

素因数の和:2148

約数の個数: 192

約数和(自身を含む): 42042470400

約数和(自身を除く): 26662012580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 239, 247, 260, 266, 364, 380, 455, 478, 494, 532, 665, 910, 956, 988, 1195, 1235, 1330, 1673, 1729, 1820, 1861, 2390, 2470, 2660, 3107, 3346, 3458, 3722, 4541, 4780, 4940, 6214, 6692, 6916, 7444, 8365, 8645, 9082, 9305, 12428, 13027, 15535, 16730, 17290, 18164, 18610, 21749, 22705, 24193, 26054, 31070, 31787, 33460, 34580, 35359, 37220, 43498, 45410, 48386, 52108, 59033, 62140, 63574, 65135, 70718, 86996, 90820, 96772, 108745, 118066, 120965, 127148, 130270, 141436, 158935, 169351, 176795, 217490, 236132, 241930, 247513, 260540, 295165, 317870, 338702, 353590, 413231, 434980, 444779, 459667, 483860, 495026, 590330, 635740, 677404, 707180, 826462, 846755, 889558, 919334, 990052, 1180660, 1237565, 1652924, 1693510, 1779116, 1838668, 2066155, 2223895, 2298335, 2475130, 3113453, 3217669, 3387020, 4132310, 4447790, 4596670, 4950260, 5782127, 6226906, 6435338, 8264620, 8450801, 8895580, 9193340, 11564254, 12453812, 12870676, 15567265, 16088345, 16901602, 23128508, 28910635, 31134530, 32176690, 33803204, 40474889, 42254005, 57821270, 59155607, 62269060, 64353380, 80949778, 84508010, 109860413, 115642540, 118311214, 161899556, 169016020, 202374445, 219720826, 236622428, 295778035, 404748890, 439441652, 549302065, 591556070, 769022891, 809497780, 1098604130, 1183112140, 1538045782, 2197208260, 3076091564, 3845114455, 7690228910, 15380457820]

約数ペア:

[(1, 15380457820), (2, 7690228910), (4, 3845114455), (5, 3076091564), (7, 2197208260), (10, 1538045782), (13, 1183112140), (14, 1098604130), (19, 809497780), (20, 769022891), (26, 591556070), (28, 549302065), (35, 439441652), (38, 404748890), (52, 295778035), (65, 236622428), (70, 219720826), (76, 202374445), (91, 169016020), (95, 161899556), (130, 118311214), (133, 115642540), (140, 109860413), (182, 84508010), (190, 80949778), (239, 64353380), (247, 62269060), (260, 59155607), (266, 57821270), (364, 42254005), (380, 40474889), (455, 33803204), (478, 32176690), (494, 31134530), (532, 28910635), (665, 23128508), (910, 16901602), (956, 16088345), (988, 15567265), (1195, 12870676), (1235, 12453812), (1330, 11564254), (1673, 9193340), (1729, 8895580), (1820, 8450801), (1861, 8264620), (2390, 6435338), (2470, 6226906), (2660, 5782127), (3107, 4950260), (3346, 4596670), (3458, 4447790), (3722, 4132310), (4541, 3387020), (4780, 3217669), (4940, 3113453), (6214, 2475130), (6692, 2298335), (6916, 2223895), (7444, 2066155), (8365, 1838668), (8645, 1779116), (9082, 1693510), (9305, 1652924), (12428, 1237565), (13027, 1180660), (15535, 990052), (16730, 919334), (17290, 889558), (18164, 846755), (18610, 826462), (21749, 707180), (22705, 677404), (24193, 635740), (26054, 590330), (31070, 495026), (31787, 483860), (33460, 459667), (34580, 444779), (35359, 434980), (37220, 413231), (43498, 353590), (45410, 338702), (48386, 317870), (52108, 295165), (59033, 260540), (62140, 247513), (63574, 241930), (65135, 236132), (70718, 217490), (86996, 176795), (90820, 169351), (96772, 158935), (108745, 141436), (118066, 130270), (120965, 127148)]