644061240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31387}}^1$

素因数の和:31426

約数の個数: 128

約数和(自身を含む): 2259936000

約数和(自身を除く): 1615874760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 31387, 62774, 94161, 125548, 156935, 188322, 251096, 282483, 313870, 376644, 470805, 564966, 596353, 627740, 753288, 847449, 941610, 1129932, 1192706, 1255480, 1412415, 1694898, 1789059, 1883220, 2259864, 2385412, 2824830, 2981765, 3389796, 3578118, 3766440, 4237245, 4770824, 5367177, 5649660, 5963530, 6779592, 7156236, 8474490, 8945295, 10734354, 11299320, 11927060, 14312472, 16101531, 16948980, 17890590, 21468708, 23854120, 26835885, 32203062, 33897960, 35781180, 42937416, 53671770, 64406124, 71562360, 80507655, 107343540, 128812248, 161015310, 214687080, 322030620, 644061240]

約数ペア:

[(1, 644061240), (2, 322030620), (3, 214687080), (4, 161015310), (5, 128812248), (6, 107343540), (8, 80507655), (9, 71562360), (10, 64406124), (12, 53671770), (15, 42937416), (18, 35781180), (19, 33897960), (20, 32203062), (24, 26835885), (27, 23854120), (30, 21468708), (36, 17890590), (38, 16948980), (40, 16101531), (45, 14312472), (54, 11927060), (57, 11299320), (60, 10734354), (72, 8945295), (76, 8474490), (90, 7156236), (95, 6779592), (108, 5963530), (114, 5649660), (120, 5367177), (135, 4770824), (152, 4237245), (171, 3766440), (180, 3578118), (190, 3389796), (216, 2981765), (228, 2824830), (270, 2385412), (285, 2259864), (342, 1883220), (360, 1789059), (380, 1694898), (456, 1412415), (513, 1255480), (540, 1192706), (570, 1129932), (684, 941610), (760, 847449), (855, 753288), (1026, 627740), (1080, 596353), (1140, 564966), (1368, 470805), (1710, 376644), (2052, 313870), (2280, 282483), (2565, 251096), (3420, 188322), (4104, 156935), (5130, 125548), (6840, 94161), (10260, 62774), (20520, 31387)]