231571860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 192

約数和(自身を含む): 737286144

約数和(自身を除く): 505714284

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, 157, 183, 186, 195, 244, 260, 305, 310, 314, 366, 372, 390, 403, 465, 471, 610, 620, 628, 732, 780, 785, 793, 806, 915, 930, 942, 1209, 1220, 1570, 1586, 1612, 1830, 1860, 1884, 1891, 2015, 2041, 2355, 2379, 2418, 3140, 3172, 3660, 3782, 3965, 4030, 4082, 4710, 4758, 4836, 4867, 5673, 6045, 6123, 7564, 7930, 8060, 8164, 9420, 9455, 9516, 9577, 9734, 10205, 11346, 11895, 12090, 12246, 14601, 15860, 18910, 19154, 19468, 20410, 22692, 23790, 24180, 24335, 24492, 24583, 28365, 28731, 29202, 30615, 37820, 38308, 40820, 47580, 47885, 48670, 49166, 56730, 57462, 58404, 61230, 63271, 73005, 73749, 95770, 97340, 98332, 113460, 114924, 122460, 122915, 124501, 126542, 143655, 146010, 147498, 189813, 191540, 245830, 249002, 253084, 287310, 292020, 294996, 296887, 316355, 368745, 373503, 379626, 491660, 498004, 574620, 593774, 622505, 632710, 737490, 747006, 759252, 890661, 949065, 1187548, 1245010, 1265420, 1474980, 1484435, 1494012, 1781322, 1867515, 1898130, 2490020, 2968870, 3562644, 3735030, 3796260, 3859531, 4453305, 5937740, 7470060, 7719062, 8906610, 11578593, 15438124, 17813220, 19297655, 23157186, 38595310, 46314372, 57892965, 77190620, 115785930, 231571860]

約数ペア:

[(1, 231571860), (2, 115785930), (3, 77190620), (4, 57892965), (5, 46314372), (6, 38595310), (10, 23157186), (12, 19297655), (13, 17813220), (15, 15438124), (20, 11578593), (26, 8906610), (30, 7719062), (31, 7470060), (39, 5937740), (52, 4453305), (60, 3859531), (61, 3796260), (62, 3735030), (65, 3562644), (78, 2968870), (93, 2490020), (122, 1898130), (124, 1867515), (130, 1781322), (155, 1494012), (156, 1484435), (157, 1474980), (183, 1265420), (186, 1245010), (195, 1187548), (244, 949065), (260, 890661), (305, 759252), (310, 747006), (314, 737490), (366, 632710), (372, 622505), (390, 593774), (403, 574620), (465, 498004), (471, 491660), (610, 379626), (620, 373503), (628, 368745), (732, 316355), (780, 296887), (785, 294996), (793, 292020), (806, 287310), (915, 253084), (930, 249002), (942, 245830), (1209, 191540), (1220, 189813), (1570, 147498), (1586, 146010), (1612, 143655), (1830, 126542), (1860, 124501), (1884, 122915), (1891, 122460), (2015, 114924), (2041, 113460), (2355, 98332), (2379, 97340), (2418, 95770), (3140, 73749), (3172, 73005), (3660, 63271), (3782, 61230), (3965, 58404), (4030, 57462), (4082, 56730), (4710, 49166), (4758, 48670), (4836, 47885), (4867, 47580), (5673, 40820), (6045, 38308), (6123, 37820), (7564, 30615), (7930, 29202), (8060, 28731), (8164, 28365), (9420, 24583), (9455, 24492), (9516, 24335), (9577, 24180), (9734, 23790), (10205, 22692), (11346, 20410), (11895, 19468), (12090, 19154), (12246, 18910), (14601, 15860)]