72780740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 173746944

約数和(自身を除く): 100966204

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 41, 46, 68, 82, 85, 92, 115, 164, 170, 205, 227, 230, 340, 391, 410, 454, 460, 697, 782, 820, 908, 943, 1135, 1394, 1564, 1886, 1955, 2270, 2788, 3485, 3772, 3859, 3910, 4540, 4715, 5221, 6970, 7718, 7820, 9307, 9430, 10442, 13940, 15436, 16031, 18614, 18860, 19295, 20884, 26105, 32062, 37228, 38590, 46535, 52210, 64124, 77180, 80155, 88757, 93070, 104420, 158219, 160310, 177514, 186140, 214061, 316438, 320620, 355028, 428122, 443785, 632876, 791095, 856244, 887570, 1070305, 1582190, 1775140, 2140610, 3164380, 3639037, 4281220, 7278074, 14556148, 18195185, 36390370, 72780740]

約数ペア:

[(1, 72780740), (2, 36390370), (4, 18195185), (5, 14556148), (10, 7278074), (17, 4281220), (20, 3639037), (23, 3164380), (34, 2140610), (41, 1775140), (46, 1582190), (68, 1070305), (82, 887570), (85, 856244), (92, 791095), (115, 632876), (164, 443785), (170, 428122), (205, 355028), (227, 320620), (230, 316438), (340, 214061), (391, 186140), (410, 177514), (454, 160310), (460, 158219), (697, 104420), (782, 93070), (820, 88757), (908, 80155), (943, 77180), (1135, 64124), (1394, 52210), (1564, 46535), (1886, 38590), (1955, 37228), (2270, 32062), (2788, 26105), (3485, 20884), (3772, 19295), (3859, 18860), (3910, 18614), (4540, 16031), (4715, 15436), (5221, 13940), (6970, 10442), (7718, 9430), (7820, 9307)]