164325420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:661

約数の個数: 216

約数和(自身を含む): 599534208

約数和(自身を除く): 435208788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 588, 601, 620, 630, 651, 735, 868, 882, 930, 980, 1085, 1116, 1202, 1260, 1302, 1395, 1470, 1519, 1764, 1803, 1860, 1953, 2170, 2205, 2404, 2604, 2790, 2940, 3005, 3038, 3255, 3606, 3906, 4207, 4340, 4410, 4557, 5409, 5580, 6010, 6076, 6510, 7212, 7595, 7812, 8414, 8820, 9015, 9114, 9765, 10818, 12020, 12621, 13020, 13671, 15190, 16828, 18030, 18228, 18631, 19530, 21035, 21636, 22785, 25242, 27045, 27342, 29449, 30380, 36060, 37262, 37863, 39060, 42070, 45570, 50484, 54090, 54684, 55893, 58898, 63105, 68355, 74524, 75726, 84140, 88347, 91140, 93155, 108180, 111786, 117796, 126210, 130417, 136710, 147245, 151452, 167679, 176694, 186310, 189315, 223572, 252420, 260834, 265041, 273420, 279465, 294490, 335358, 353388, 372620, 378630, 391251, 441735, 521668, 530082, 558930, 588980, 652085, 670716, 757260, 782502, 838395, 883470, 912919, 1060164, 1117860, 1173753, 1304170, 1325205, 1565004, 1676790, 1766940, 1825838, 1956255, 2347506, 2608340, 2650410, 2738757, 3353580, 3651676, 3912510, 4564595, 4695012, 5300820, 5477514, 5868765, 7825020, 8216271, 9129190, 10955028, 11737530, 13693785, 16432542, 18258380, 23475060, 27387570, 32865084, 41081355, 54775140, 82162710, 164325420]

約数ペア:

[(1, 164325420), (2, 82162710), (3, 54775140), (4, 41081355), (5, 32865084), (6, 27387570), (7, 23475060), (9, 18258380), (10, 16432542), (12, 13693785), (14, 11737530), (15, 10955028), (18, 9129190), (20, 8216271), (21, 7825020), (28, 5868765), (30, 5477514), (31, 5300820), (35, 4695012), (36, 4564595), (42, 3912510), (45, 3651676), (49, 3353580), (60, 2738757), (62, 2650410), (63, 2608340), (70, 2347506), (84, 1956255), (90, 1825838), (93, 1766940), (98, 1676790), (105, 1565004), (124, 1325205), (126, 1304170), (140, 1173753), (147, 1117860), (155, 1060164), (180, 912919), (186, 883470), (196, 838395), (210, 782502), (217, 757260), (245, 670716), (252, 652085), (279, 588980), (294, 558930), (310, 530082), (315, 521668), (372, 441735), (420, 391251), (434, 378630), (441, 372620), (465, 353388), (490, 335358), (558, 294490), (588, 279465), (601, 273420), (620, 265041), (630, 260834), (651, 252420), (735, 223572), (868, 189315), (882, 186310), (930, 176694), (980, 167679), (1085, 151452), (1116, 147245), (1202, 136710), (1260, 130417), (1302, 126210), (1395, 117796), (1470, 111786), (1519, 108180), (1764, 93155), (1803, 91140), (1860, 88347), (1953, 84140), (2170, 75726), (2205, 74524), (2404, 68355), (2604, 63105), (2790, 58898), (2940, 55893), (3005, 54684), (3038, 54090), (3255, 50484), (3606, 45570), (3906, 42070), (4207, 39060), (4340, 37863), (4410, 37262), (4557, 36060), (5409, 30380), (5580, 29449), (6010, 27342), (6076, 27045), (6510, 25242), (7212, 22785), (7595, 21636), (7812, 21035), (8414, 19530), (8820, 18631), (9015, 18228), (9114, 18030), (9765, 16828), (10818, 15190), (12020, 13671), (12621, 13020)]