253555380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1951

約数の個数: 192

約数和(自身を含む): 894700800

約数和(自身を除く): 641145420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 342, 351, 380, 390, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 855, 988, 1026, 1140, 1170, 1235, 1404, 1482, 1710, 1755, 1901, 2052, 2223, 2340, 2470, 2565, 2964, 3420, 3510, 3705, 3802, 4446, 4940, 5130, 5703, 6669, 7020, 7410, 7604, 8892, 9505, 10260, 11115, 11406, 13338, 14820, 17109, 19010, 22230, 22812, 24713, 26676, 28515, 33345, 34218, 36119, 38020, 44460, 49426, 51327, 57030, 66690, 68436, 72238, 74139, 85545, 98852, 102654, 108357, 114060, 123565, 133380, 144476, 148278, 171090, 180595, 205308, 216714, 222417, 247130, 256635, 296556, 325071, 342180, 361190, 370695, 433428, 444834, 469547, 494260, 513270, 541785, 650142, 667251, 722380, 741390, 889668, 939094, 975213, 1026540, 1083570, 1112085, 1300284, 1334502, 1408641, 1482780, 1625355, 1878188, 1950426, 2167140, 2224170, 2347735, 2669004, 2817282, 3250710, 3336255, 3900852, 4225923, 4448340, 4695470, 4876065, 5634564, 6501420, 6672510, 7043205, 8451846, 9390940, 9752130, 12677769, 13345020, 14086410, 16903692, 19504260, 21129615, 25355538, 28172820, 42259230, 50711076, 63388845, 84518460, 126777690, 253555380]

約数ペア:

[(1, 253555380), (2, 126777690), (3, 84518460), (4, 63388845), (5, 50711076), (6, 42259230), (9, 28172820), (10, 25355538), (12, 21129615), (13, 19504260), (15, 16903692), (18, 14086410), (19, 13345020), (20, 12677769), (26, 9752130), (27, 9390940), (30, 8451846), (36, 7043205), (38, 6672510), (39, 6501420), (45, 5634564), (52, 4876065), (54, 4695470), (57, 4448340), (60, 4225923), (65, 3900852), (76, 3336255), (78, 3250710), (90, 2817282), (95, 2669004), (108, 2347735), (114, 2224170), (117, 2167140), (130, 1950426), (135, 1878188), (156, 1625355), (171, 1482780), (180, 1408641), (190, 1334502), (195, 1300284), (228, 1112085), (234, 1083570), (247, 1026540), (260, 975213), (270, 939094), (285, 889668), (342, 741390), (351, 722380), (380, 667251), (390, 650142), (468, 541785), (494, 513270), (513, 494260), (540, 469547), (570, 444834), (585, 433428), (684, 370695), (702, 361190), (741, 342180), (780, 325071), (855, 296556), (988, 256635), (1026, 247130), (1140, 222417), (1170, 216714), (1235, 205308), (1404, 180595), (1482, 171090), (1710, 148278), (1755, 144476), (1901, 133380), (2052, 123565), (2223, 114060), (2340, 108357), (2470, 102654), (2565, 98852), (2964, 85545), (3420, 74139), (3510, 72238), (3705, 68436), (3802, 66690), (4446, 57030), (4940, 51327), (5130, 49426), (5703, 44460), (6669, 38020), (7020, 36119), (7410, 34218), (7604, 33345), (8892, 28515), (9505, 26676), (10260, 24713), (11115, 22812), (11406, 22230), (13338, 19010), (14820, 17109)]