39985020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 130908960

約数和(自身を除く): 90923940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 73, 85, 90, 102, 146, 153, 170, 179, 180, 204, 219, 255, 292, 306, 340, 358, 365, 438, 510, 537, 612, 657, 716, 730, 765, 876, 895, 1020, 1074, 1095, 1241, 1314, 1460, 1530, 1611, 1790, 2148, 2190, 2482, 2628, 2685, 3043, 3060, 3222, 3285, 3580, 3723, 4380, 4964, 5370, 6086, 6205, 6444, 6570, 7446, 8055, 9129, 10740, 11169, 12172, 12410, 13067, 13140, 14892, 15215, 16110, 18258, 18615, 22338, 24820, 26134, 27387, 30430, 32220, 36516, 37230, 39201, 44676, 45645, 52268, 54774, 55845, 60860, 65335, 74460, 78402, 91290, 109548, 111690, 117603, 130670, 136935, 156804, 182580, 196005, 222139, 223380, 235206, 261340, 273870, 392010, 444278, 470412, 547740, 588015, 666417, 784020, 888556, 1110695, 1176030, 1332834, 1999251, 2221390, 2352060, 2665668, 3332085, 3998502, 4442780, 6664170, 7997004, 9996255, 13328340, 19992510, 39985020]

約数ペア:

[(1, 39985020), (2, 19992510), (3, 13328340), (4, 9996255), (5, 7997004), (6, 6664170), (9, 4442780), (10, 3998502), (12, 3332085), (15, 2665668), (17, 2352060), (18, 2221390), (20, 1999251), (30, 1332834), (34, 1176030), (36, 1110695), (45, 888556), (51, 784020), (60, 666417), (68, 588015), (73, 547740), (85, 470412), (90, 444278), (102, 392010), (146, 273870), (153, 261340), (170, 235206), (179, 223380), (180, 222139), (204, 196005), (219, 182580), (255, 156804), (292, 136935), (306, 130670), (340, 117603), (358, 111690), (365, 109548), (438, 91290), (510, 78402), (537, 74460), (612, 65335), (657, 60860), (716, 55845), (730, 54774), (765, 52268), (876, 45645), (895, 44676), (1020, 39201), (1074, 37230), (1095, 36516), (1241, 32220), (1314, 30430), (1460, 27387), (1530, 26134), (1611, 24820), (1790, 22338), (2148, 18615), (2190, 18258), (2482, 16110), (2628, 15215), (2685, 14892), (3043, 13140), (3060, 13067), (3222, 12410), (3285, 12172), (3580, 11169), (3723, 10740), (4380, 9129), (4964, 8055), (5370, 7446), (6086, 6570), (6205, 6444)]