265406820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 907468800

約数和(自身を除く): 642061980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 79, 84, 95, 105, 114, 133, 140, 158, 190, 210, 228, 237, 266, 285, 316, 380, 395, 399, 420, 421, 474, 532, 553, 570, 665, 790, 798, 842, 948, 1106, 1140, 1185, 1263, 1330, 1501, 1580, 1596, 1659, 1684, 1995, 2105, 2212, 2370, 2526, 2660, 2765, 2947, 3002, 3318, 3990, 4210, 4503, 4740, 5052, 5530, 5894, 6004, 6315, 6636, 7505, 7980, 7999, 8295, 8420, 8841, 9006, 10507, 11060, 11788, 12630, 14735, 15010, 15998, 16590, 17682, 18012, 21014, 22515, 23997, 25260, 29470, 30020, 31521, 31996, 33180, 33259, 35364, 39995, 42028, 44205, 45030, 47994, 52535, 55993, 58940, 63042, 66518, 79990, 88410, 90060, 95988, 99777, 105070, 111986, 119985, 126084, 133036, 157605, 159980, 166295, 167979, 176820, 199554, 210140, 223972, 232813, 239970, 279965, 315210, 332590, 335958, 399108, 465626, 479940, 498885, 559930, 630420, 631921, 665180, 671916, 698439, 839895, 931252, 997770, 1119860, 1164065, 1263842, 1396878, 1679790, 1895763, 1995540, 2328130, 2527684, 2793756, 3159605, 3359580, 3492195, 3791526, 4423447, 4656260, 6319210, 6984390, 7583052, 8846894, 9478815, 12638420, 13270341, 13968780, 17693788, 18957630, 22117235, 26540682, 37915260, 44234470, 53081364, 66351705, 88468940, 132703410, 265406820]

約数ペア:

[(1, 265406820), (2, 132703410), (3, 88468940), (4, 66351705), (5, 53081364), (6, 44234470), (7, 37915260), (10, 26540682), (12, 22117235), (14, 18957630), (15, 17693788), (19, 13968780), (20, 13270341), (21, 12638420), (28, 9478815), (30, 8846894), (35, 7583052), (38, 6984390), (42, 6319210), (57, 4656260), (60, 4423447), (70, 3791526), (76, 3492195), (79, 3359580), (84, 3159605), (95, 2793756), (105, 2527684), (114, 2328130), (133, 1995540), (140, 1895763), (158, 1679790), (190, 1396878), (210, 1263842), (228, 1164065), (237, 1119860), (266, 997770), (285, 931252), (316, 839895), (380, 698439), (395, 671916), (399, 665180), (420, 631921), (421, 630420), (474, 559930), (532, 498885), (553, 479940), (570, 465626), (665, 399108), (790, 335958), (798, 332590), (842, 315210), (948, 279965), (1106, 239970), (1140, 232813), (1185, 223972), (1263, 210140), (1330, 199554), (1501, 176820), (1580, 167979), (1596, 166295), (1659, 159980), (1684, 157605), (1995, 133036), (2105, 126084), (2212, 119985), (2370, 111986), (2526, 105070), (2660, 99777), (2765, 95988), (2947, 90060), (3002, 88410), (3318, 79990), (3990, 66518), (4210, 63042), (4503, 58940), (4740, 55993), (5052, 52535), (5530, 47994), (5894, 45030), (6004, 44205), (6315, 42028), (6636, 39995), (7505, 35364), (7980, 33259), (7999, 33180), (8295, 31996), (8420, 31521), (8841, 30020), (9006, 29470), (10507, 25260), (11060, 23997), (11788, 22515), (12630, 21014), (14735, 18012), (15010, 17682), (15998, 16590)]