1248733980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31391}}^1$

素因数の和:31436

約数の個数: 144

約数和(自身を含む): 4319288064

約数和(自身を除く): 3070554084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 31391, 39780, 62782, 94173, 125564, 156955, 188346, 282519, 313910, 376692, 408083, 470865, 533647, 565038, 627820, 816166, 941730, 1067294, 1130076, 1224249, 1412595, 1600941, 1632332, 1883460, 2040415, 2134588, 2448498, 2668235, 2825190, 3201882, 3672747, 4080830, 4802823, 4896996, 5336470, 5650380, 6121245, 6403764, 6937411, 7345494, 8004705, 8161660, 9605646, 10672940, 12242490, 13874822, 14690988, 16009410, 18363735, 19211292, 20812233, 24014115, 24484980, 27749644, 32018820, 34687055, 36727470, 41624466, 48028230, 62436699, 69374110, 73454940, 83248932, 96056460, 104061165, 124873398, 138748220, 208122330, 249746796, 312183495, 416244660, 624366990, 1248733980]

約数ペア:

[(1, 1248733980), (2, 624366990), (3, 416244660), (4, 312183495), (5, 249746796), (6, 208122330), (9, 138748220), (10, 124873398), (12, 104061165), (13, 96056460), (15, 83248932), (17, 73454940), (18, 69374110), (20, 62436699), (26, 48028230), (30, 41624466), (34, 36727470), (36, 34687055), (39, 32018820), (45, 27749644), (51, 24484980), (52, 24014115), (60, 20812233), (65, 19211292), (68, 18363735), (78, 16009410), (85, 14690988), (90, 13874822), (102, 12242490), (117, 10672940), (130, 9605646), (153, 8161660), (156, 8004705), (170, 7345494), (180, 6937411), (195, 6403764), (204, 6121245), (221, 5650380), (234, 5336470), (255, 4896996), (260, 4802823), (306, 4080830), (340, 3672747), (390, 3201882), (442, 2825190), (468, 2668235), (510, 2448498), (585, 2134588), (612, 2040415), (663, 1883460), (765, 1632332), (780, 1600941), (884, 1412595), (1020, 1224249), (1105, 1130076), (1170, 1067294), (1326, 941730), (1530, 816166), (1989, 627820), (2210, 565038), (2340, 533647), (2652, 470865), (3060, 408083), (3315, 376692), (3978, 313910), (4420, 282519), (6630, 188346), (7956, 156955), (9945, 125564), (13260, 94173), (19890, 62782), (31391, 39780)]