42926940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 157352832

約数和(自身を除く): 114425892

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, 157, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 314, 315, 372, 420, 434, 441, 465, 471, 490, 558, 588, 620, 628, 630, 651, 735, 785, 868, 882, 930, 942, 980, 1085, 1099, 1116, 1260, 1302, 1395, 1413, 1470, 1519, 1570, 1764, 1860, 1884, 1953, 2170, 2198, 2205, 2355, 2604, 2790, 2826, 2940, 3038, 3140, 3255, 3297, 3906, 4340, 4396, 4410, 4557, 4710, 4867, 5495, 5580, 5652, 6076, 6510, 6594, 7065, 7595, 7693, 7812, 8820, 9114, 9420, 9734, 9765, 9891, 10990, 13020, 13188, 13671, 14130, 14601, 15190, 15386, 16485, 18228, 19468, 19530, 19782, 21980, 22785, 23079, 24335, 27342, 28260, 29202, 30380, 30772, 32970, 34069, 38465, 39060, 39564, 43803, 45570, 46158, 48670, 49455, 54684, 58404, 65940, 68138, 68355, 69237, 73005, 76930, 87606, 91140, 92316, 97340, 98910, 102207, 115395, 136276, 136710, 138474, 146010, 153860, 170345, 175212, 197820, 204414, 219015, 230790, 238483, 273420, 276948, 292020, 306621, 340690, 346185, 408828, 438030, 461580, 476966, 511035, 613242, 681380, 692370, 715449, 876060, 953932, 1022070, 1192415, 1226484, 1384740, 1430898, 1533105, 2044140, 2146347, 2384830, 2861796, 3066210, 3577245, 4292694, 4769660, 6132420, 7154490, 8585388, 10731735, 14308980, 21463470, 42926940]

約数ペア:

[(1, 42926940), (2, 21463470), (3, 14308980), (4, 10731735), (5, 8585388), (6, 7154490), (7, 6132420), (9, 4769660), (10, 4292694), (12, 3577245), (14, 3066210), (15, 2861796), (18, 2384830), (20, 2146347), (21, 2044140), (28, 1533105), (30, 1430898), (31, 1384740), (35, 1226484), (36, 1192415), (42, 1022070), (45, 953932), (49, 876060), (60, 715449), (62, 692370), (63, 681380), (70, 613242), (84, 511035), (90, 476966), (93, 461580), (98, 438030), (105, 408828), (124, 346185), (126, 340690), (140, 306621), (147, 292020), (155, 276948), (157, 273420), (180, 238483), (186, 230790), (196, 219015), (210, 204414), (217, 197820), (245, 175212), (252, 170345), (279, 153860), (294, 146010), (310, 138474), (314, 136710), (315, 136276), (372, 115395), (420, 102207), (434, 98910), (441, 97340), (465, 92316), (471, 91140), (490, 87606), (558, 76930), (588, 73005), (620, 69237), (628, 68355), (630, 68138), (651, 65940), (735, 58404), (785, 54684), (868, 49455), (882, 48670), (930, 46158), (942, 45570), (980, 43803), (1085, 39564), (1099, 39060), (1116, 38465), (1260, 34069), (1302, 32970), (1395, 30772), (1413, 30380), (1470, 29202), (1519, 28260), (1570, 27342), (1764, 24335), (1860, 23079), (1884, 22785), (1953, 21980), (2170, 19782), (2198, 19530), (2205, 19468), (2355, 18228), (2604, 16485), (2790, 15386), (2826, 15190), (2940, 14601), (3038, 14130), (3140, 13671), (3255, 13188), (3297, 13020), (3906, 10990), (4340, 9891), (4396, 9765), (4410, 9734), (4557, 9420), (4710, 9114), (4867, 8820), (5495, 7812), (5580, 7693), (5652, 7595), (6076, 7065), (6510, 6594)]