142121980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 415457280

約数和(自身を除く): 273335300

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 44, 52, 55, 62, 65, 70, 77, 91, 110, 124, 130, 140, 143, 154, 155, 182, 217, 220, 229, 260, 286, 308, 310, 341, 364, 385, 403, 434, 455, 458, 572, 620, 682, 715, 770, 806, 868, 910, 916, 1001, 1085, 1145, 1364, 1430, 1540, 1603, 1612, 1705, 1820, 2002, 2015, 2170, 2290, 2387, 2519, 2821, 2860, 2977, 3206, 3410, 4004, 4030, 4340, 4433, 4580, 4774, 5005, 5038, 5642, 5954, 6412, 6820, 7099, 8015, 8060, 8866, 9548, 10010, 10076, 11284, 11908, 11935, 12595, 14105, 14198, 14885, 16030, 17633, 17732, 20020, 20839, 22165, 23870, 25190, 28210, 28396, 29770, 31031, 32060, 32747, 35266, 35495, 41678, 44330, 47740, 49693, 50380, 56420, 59540, 62062, 65494, 70532, 70990, 78089, 83356, 88165, 88660, 92287, 99386, 104195, 124124, 130988, 141980, 155155, 156178, 163735, 176330, 184574, 198772, 208390, 229229, 248465, 310310, 312356, 327470, 352660, 369148, 390445, 416780, 458458, 461435, 496930, 546623, 620620, 646009, 654940, 780890, 916916, 922870, 993860, 1015157, 1093246, 1146145, 1292018, 1561780, 1845740, 2030314, 2186492, 2292290, 2584036, 2733115, 3230045, 4060628, 4584580, 5075785, 5466230, 6460090, 7106099, 10151570, 10932460, 12920180, 14212198, 20303140, 28424396, 35530495, 71060990, 142121980]

約数ペア:

[(1, 142121980), (2, 71060990), (4, 35530495), (5, 28424396), (7, 20303140), (10, 14212198), (11, 12920180), (13, 10932460), (14, 10151570), (20, 7106099), (22, 6460090), (26, 5466230), (28, 5075785), (31, 4584580), (35, 4060628), (44, 3230045), (52, 2733115), (55, 2584036), (62, 2292290), (65, 2186492), (70, 2030314), (77, 1845740), (91, 1561780), (110, 1292018), (124, 1146145), (130, 1093246), (140, 1015157), (143, 993860), (154, 922870), (155, 916916), (182, 780890), (217, 654940), (220, 646009), (229, 620620), (260, 546623), (286, 496930), (308, 461435), (310, 458458), (341, 416780), (364, 390445), (385, 369148), (403, 352660), (434, 327470), (455, 312356), (458, 310310), (572, 248465), (620, 229229), (682, 208390), (715, 198772), (770, 184574), (806, 176330), (868, 163735), (910, 156178), (916, 155155), (1001, 141980), (1085, 130988), (1145, 124124), (1364, 104195), (1430, 99386), (1540, 92287), (1603, 88660), (1612, 88165), (1705, 83356), (1820, 78089), (2002, 70990), (2015, 70532), (2170, 65494), (2290, 62062), (2387, 59540), (2519, 56420), (2821, 50380), (2860, 49693), (2977, 47740), (3206, 44330), (3410, 41678), (4004, 35495), (4030, 35266), (4340, 32747), (4433, 32060), (4580, 31031), (4774, 29770), (5005, 28396), (5038, 28210), (5642, 25190), (5954, 23870), (6412, 22165), (6820, 20839), (7099, 20020), (8015, 17732), (8060, 17633), (8866, 16030), (9548, 14885), (10010, 14198), (10076, 14105), (11284, 12595), (11908, 11935)]