255171540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 811948032

約数和(自身を除く): 556776492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 61, 62, 65, 78, 93, 122, 124, 130, 155, 156, 173, 183, 186, 195, 244, 260, 305, 310, 346, 366, 372, 390, 403, 465, 519, 610, 620, 692, 732, 780, 793, 806, 865, 915, 930, 1038, 1209, 1220, 1586, 1612, 1730, 1830, 1860, 1891, 2015, 2076, 2249, 2379, 2418, 2595, 3172, 3460, 3660, 3782, 3965, 4030, 4498, 4758, 4836, 5190, 5363, 5673, 6045, 6747, 7564, 7930, 8060, 8996, 9455, 9516, 10380, 10553, 10726, 11245, 11346, 11895, 12090, 13494, 15860, 16089, 18910, 21106, 21452, 22490, 22692, 23790, 24180, 24583, 26815, 26988, 28365, 31659, 32178, 33735, 37820, 42212, 44980, 47580, 49166, 52765, 53630, 56730, 63318, 64356, 67470, 69719, 73749, 80445, 98332, 105530, 107260, 113460, 122915, 126636, 134940, 137189, 139438, 147498, 158295, 160890, 209157, 211060, 245830, 274378, 278876, 294996, 316590, 321780, 327143, 348595, 368745, 411567, 418314, 491660, 548756, 633180, 654286, 685945, 697190, 737490, 823134, 836628, 981429, 1045785, 1308572, 1371890, 1394380, 1474980, 1635715, 1646268, 1962858, 2057835, 2091570, 2743780, 3271430, 3925716, 4115670, 4183140, 4252859, 4907145, 6542860, 8231340, 8505718, 9814290, 12758577, 17011436, 19628580, 21264295, 25517154, 42528590, 51034308, 63792885, 85057180, 127585770, 255171540]

約数ペア:

[(1, 255171540), (2, 127585770), (3, 85057180), (4, 63792885), (5, 51034308), (6, 42528590), (10, 25517154), (12, 21264295), (13, 19628580), (15, 17011436), (20, 12758577), (26, 9814290), (30, 8505718), (31, 8231340), (39, 6542860), (52, 4907145), (60, 4252859), (61, 4183140), (62, 4115670), (65, 3925716), (78, 3271430), (93, 2743780), (122, 2091570), (124, 2057835), (130, 1962858), (155, 1646268), (156, 1635715), (173, 1474980), (183, 1394380), (186, 1371890), (195, 1308572), (244, 1045785), (260, 981429), (305, 836628), (310, 823134), (346, 737490), (366, 697190), (372, 685945), (390, 654286), (403, 633180), (465, 548756), (519, 491660), (610, 418314), (620, 411567), (692, 368745), (732, 348595), (780, 327143), (793, 321780), (806, 316590), (865, 294996), (915, 278876), (930, 274378), (1038, 245830), (1209, 211060), (1220, 209157), (1586, 160890), (1612, 158295), (1730, 147498), (1830, 139438), (1860, 137189), (1891, 134940), (2015, 126636), (2076, 122915), (2249, 113460), (2379, 107260), (2418, 105530), (2595, 98332), (3172, 80445), (3460, 73749), (3660, 69719), (3782, 67470), (3965, 64356), (4030, 63318), (4498, 56730), (4758, 53630), (4836, 52765), (5190, 49166), (5363, 47580), (5673, 44980), (6045, 42212), (6747, 37820), (7564, 33735), (7930, 32178), (8060, 31659), (8996, 28365), (9455, 26988), (9516, 26815), (10380, 24583), (10553, 24180), (10726, 23790), (11245, 22692), (11346, 22490), (11895, 21452), (12090, 21106), (13494, 18910), (15860, 16089)]