149701480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 377395200

約数和(自身を除く): 227693720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 31, 40, 46, 58, 62, 92, 115, 116, 124, 145, 155, 181, 184, 230, 232, 248, 290, 310, 362, 460, 580, 620, 667, 713, 724, 899, 905, 920, 1160, 1240, 1334, 1426, 1448, 1798, 1810, 2668, 2852, 3335, 3565, 3596, 3620, 4163, 4495, 5249, 5336, 5611, 5704, 6670, 7130, 7192, 7240, 8326, 8990, 10498, 11222, 13340, 14260, 16652, 17980, 20677, 20815, 20996, 22444, 26245, 26680, 28055, 28520, 33304, 35960, 41354, 41630, 41992, 44888, 52490, 56110, 82708, 83260, 103385, 104980, 112220, 120727, 129053, 162719, 165416, 166520, 206770, 209960, 224440, 241454, 258106, 325438, 413540, 482908, 516212, 603635, 645265, 650876, 813595, 827080, 965816, 1032424, 1207270, 1290530, 1301752, 1627190, 2414540, 2581060, 3254380, 3742537, 4829080, 5162120, 6508760, 7485074, 14970148, 18712685, 29940296, 37425370, 74850740, 149701480]

約数ペア:

[(1, 149701480), (2, 74850740), (4, 37425370), (5, 29940296), (8, 18712685), (10, 14970148), (20, 7485074), (23, 6508760), (29, 5162120), (31, 4829080), (40, 3742537), (46, 3254380), (58, 2581060), (62, 2414540), (92, 1627190), (115, 1301752), (116, 1290530), (124, 1207270), (145, 1032424), (155, 965816), (181, 827080), (184, 813595), (230, 650876), (232, 645265), (248, 603635), (290, 516212), (310, 482908), (362, 413540), (460, 325438), (580, 258106), (620, 241454), (667, 224440), (713, 209960), (724, 206770), (899, 166520), (905, 165416), (920, 162719), (1160, 129053), (1240, 120727), (1334, 112220), (1426, 104980), (1448, 103385), (1798, 83260), (1810, 82708), (2668, 56110), (2852, 52490), (3335, 44888), (3565, 41992), (3596, 41630), (3620, 41354), (4163, 35960), (4495, 33304), (5249, 28520), (5336, 28055), (5611, 26680), (5704, 26245), (6670, 22444), (7130, 20996), (7192, 20815), (7240, 20677), (8326, 17980), (8990, 16652), (10498, 14260), (11222, 13340)]