72438240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21559}}^1$

素因数の和:21584

約数の個数: 96

約数和(自身を含む): 260789760

約数和(自身を除く): 188351520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 21559, 43118, 64677, 86236, 107795, 129354, 150913, 172472, 215590, 258708, 301826, 323385, 344944, 431180, 452739, 517416, 603652, 646770, 689888, 754565, 862360, 905478, 1034832, 1207304, 1293540, 1509130, 1724720, 1810956, 2069664, 2263695, 2414608, 2587080, 3018260, 3449440, 3621912, 4527390, 4829216, 5174160, 6036520, 7243824, 9054780, 10348320, 12073040, 14487648, 18109560, 24146080, 36219120, 72438240]

約数ペア:

[(1, 72438240), (2, 36219120), (3, 24146080), (4, 18109560), (5, 14487648), (6, 12073040), (7, 10348320), (8, 9054780), (10, 7243824), (12, 6036520), (14, 5174160), (15, 4829216), (16, 4527390), (20, 3621912), (21, 3449440), (24, 3018260), (28, 2587080), (30, 2414608), (32, 2263695), (35, 2069664), (40, 1810956), (42, 1724720), (48, 1509130), (56, 1293540), (60, 1207304), (70, 1034832), (80, 905478), (84, 862360), (96, 754565), (105, 689888), (112, 646770), (120, 603652), (140, 517416), (160, 452739), (168, 431180), (210, 344944), (224, 323385), (240, 301826), (280, 258708), (336, 215590), (420, 172472), (480, 150913), (560, 129354), (672, 107795), (840, 86236), (1120, 64677), (1680, 43118), (3360, 21559)]