16667820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 57788640

約数和(自身を除く): 41120820

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, 419, 442, 468, 510, 585, 612, 663, 765, 780, 838, 884, 1020, 1105, 1170, 1257, 1326, 1530, 1676, 1989, 2095, 2210, 2340, 2514, 2652, 3060, 3315, 3771, 3978, 4190, 4420, 5028, 5447, 6285, 6630, 7123, 7542, 7956, 8380, 9945, 10894, 12570, 13260, 14246, 15084, 16341, 18855, 19890, 21369, 21788, 25140, 27235, 28492, 32682, 35615, 37710, 39780, 42738, 49023, 54470, 64107, 65364, 71230, 75420, 81705, 85476, 92599, 98046, 106845, 108940, 128214, 142460, 163410, 185198, 196092, 213690, 245115, 256428, 277797, 320535, 326820, 370396, 427380, 462995, 490230, 555594, 641070, 833391, 925990, 980460, 1111188, 1282140, 1388985, 1666782, 1851980, 2777970, 3333564, 4166955, 5555940, 8333910, 16667820]

約数ペア:

[(1, 16667820), (2, 8333910), (3, 5555940), (4, 4166955), (5, 3333564), (6, 2777970), (9, 1851980), (10, 1666782), (12, 1388985), (13, 1282140), (15, 1111188), (17, 980460), (18, 925990), (20, 833391), (26, 641070), (30, 555594), (34, 490230), (36, 462995), (39, 427380), (45, 370396), (51, 326820), (52, 320535), (60, 277797), (65, 256428), (68, 245115), (78, 213690), (85, 196092), (90, 185198), (102, 163410), (117, 142460), (130, 128214), (153, 108940), (156, 106845), (170, 98046), (180, 92599), (195, 85476), (204, 81705), (221, 75420), (234, 71230), (255, 65364), (260, 64107), (306, 54470), (340, 49023), (390, 42738), (419, 39780), (442, 37710), (468, 35615), (510, 32682), (585, 28492), (612, 27235), (663, 25140), (765, 21788), (780, 21369), (838, 19890), (884, 18855), (1020, 16341), (1105, 15084), (1170, 14246), (1257, 13260), (1326, 12570), (1530, 10894), (1676, 9945), (1989, 8380), (2095, 7956), (2210, 7542), (2340, 7123), (2514, 6630), (2652, 6285), (3060, 5447), (3315, 5028), (3771, 4420), (3978, 4190)]