81997654380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{300953}}^1$

素因数の和:301223

約数の個数: 96

約数和(自身を含む): 242689305600

約数和(自身を除く): 160691651220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 239, 285, 380, 478, 570, 717, 956, 1140, 1195, 1434, 2390, 2868, 3585, 4541, 4780, 7170, 9082, 13623, 14340, 18164, 22705, 27246, 45410, 54492, 68115, 90820, 136230, 272460, 300953, 601906, 902859, 1203812, 1504765, 1805718, 3009530, 3611436, 4514295, 5718107, 6019060, 9028590, 11436214, 17154321, 18057180, 22872428, 28590535, 34308642, 57181070, 68617284, 71927767, 85771605, 114362140, 143855534, 171543210, 215783301, 287711068, 343086420, 359638835, 431566602, 719277670, 863133204, 1078916505, 1366627573, 1438555340, 2157833010, 2733255146, 4099882719, 4315666020, 5466510292, 6833137865, 8199765438, 13666275730, 16399530876, 20499413595, 27332551460, 40998827190, 81997654380]

約数ペア:

[(1, 81997654380), (2, 40998827190), (3, 27332551460), (4, 20499413595), (5, 16399530876), (6, 13666275730), (10, 8199765438), (12, 6833137865), (15, 5466510292), (19, 4315666020), (20, 4099882719), (30, 2733255146), (38, 2157833010), (57, 1438555340), (60, 1366627573), (76, 1078916505), (95, 863133204), (114, 719277670), (190, 431566602), (228, 359638835), (239, 343086420), (285, 287711068), (380, 215783301), (478, 171543210), (570, 143855534), (717, 114362140), (956, 85771605), (1140, 71927767), (1195, 68617284), (1434, 57181070), (2390, 34308642), (2868, 28590535), (3585, 22872428), (4541, 18057180), (4780, 17154321), (7170, 11436214), (9082, 9028590), (13623, 6019060), (14340, 5718107), (18164, 4514295), (22705, 3611436), (27246, 3009530), (45410, 1805718), (54492, 1504765), (68115, 1203812), (90820, 902859), (136230, 601906), (272460, 300953)]