71928870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 207567360

約数和(自身を除く): 135638490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 170, 190, 195, 221, 247, 255, 285, 323, 390, 442, 494, 510, 570, 571, 646, 663, 741, 969, 1105, 1142, 1235, 1326, 1482, 1615, 1713, 1938, 2210, 2470, 2855, 3230, 3315, 3426, 3705, 4199, 4845, 5710, 6630, 7410, 7423, 8398, 8565, 9690, 9707, 10849, 12597, 14846, 17130, 19414, 20995, 21698, 22269, 25194, 29121, 32547, 37115, 41990, 44538, 48535, 54245, 58242, 62985, 65094, 74230, 97070, 108490, 111345, 125970, 126191, 141037, 145605, 162735, 184433, 222690, 252382, 282074, 291210, 325470, 368866, 378573, 423111, 553299, 630955, 705185, 757146, 846222, 922165, 1106598, 1261910, 1410370, 1844330, 1892865, 2115555, 2397629, 2766495, 3785730, 4231110, 4795258, 5532990, 7192887, 11988145, 14385774, 23976290, 35964435, 71928870]

約数ペア:

[(1, 71928870), (2, 35964435), (3, 23976290), (5, 14385774), (6, 11988145), (10, 7192887), (13, 5532990), (15, 4795258), (17, 4231110), (19, 3785730), (26, 2766495), (30, 2397629), (34, 2115555), (38, 1892865), (39, 1844330), (51, 1410370), (57, 1261910), (65, 1106598), (78, 922165), (85, 846222), (95, 757146), (102, 705185), (114, 630955), (130, 553299), (170, 423111), (190, 378573), (195, 368866), (221, 325470), (247, 291210), (255, 282074), (285, 252382), (323, 222690), (390, 184433), (442, 162735), (494, 145605), (510, 141037), (570, 126191), (571, 125970), (646, 111345), (663, 108490), (741, 97070), (969, 74230), (1105, 65094), (1142, 62985), (1235, 58242), (1326, 54245), (1482, 48535), (1615, 44538), (1713, 41990), (1938, 37115), (2210, 32547), (2470, 29121), (2855, 25194), (3230, 22269), (3315, 21698), (3426, 20995), (3705, 19414), (4199, 17130), (4845, 14846), (5710, 12597), (6630, 10849), (7410, 9707), (7423, 9690), (8398, 8565)]