278364112520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{55931}}^1$

素因数の和:56535

約数の個数: 128

約数和(自身を含む): 715455296640

約数和(自身を除く): 437091184120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 563, 680, 884, 1105, 1126, 1768, 2210, 2252, 2815, 4420, 4504, 5630, 7319, 8840, 9571, 11260, 14638, 19142, 22520, 29276, 36595, 38284, 47855, 55931, 58552, 73190, 76568, 95710, 111862, 124423, 146380, 191420, 223724, 248846, 279655, 292760, 382840, 447448, 497692, 559310, 622115, 727103, 950827, 995384, 1118620, 1244230, 1454206, 1901654, 2237240, 2488460, 2908412, 3635515, 3803308, 4754135, 4976920, 5816824, 7271030, 7606616, 9508270, 12360751, 14542060, 19016540, 24721502, 29084120, 31489153, 38033080, 49443004, 61803755, 62978306, 98886008, 123607510, 125956612, 157445765, 247215020, 251913224, 314891530, 409358989, 494430040, 535315601, 629783060, 818717978, 1070631202, 1259566120, 1637435956, 2046794945, 2141262404, 2676578005, 3274871912, 4093589890, 4282524808, 5353156010, 6959102813, 8187179780, 10706312020, 13918205626, 16374359560, 21412624040, 27836411252, 34795514065, 55672822504, 69591028130, 139182056260, 278364112520]

約数ペア:

[(1, 278364112520), (2, 139182056260), (4, 69591028130), (5, 55672822504), (8, 34795514065), (10, 27836411252), (13, 21412624040), (17, 16374359560), (20, 13918205626), (26, 10706312020), (34, 8187179780), (40, 6959102813), (52, 5353156010), (65, 4282524808), (68, 4093589890), (85, 3274871912), (104, 2676578005), (130, 2141262404), (136, 2046794945), (170, 1637435956), (221, 1259566120), (260, 1070631202), (340, 818717978), (442, 629783060), (520, 535315601), (563, 494430040), (680, 409358989), (884, 314891530), (1105, 251913224), (1126, 247215020), (1768, 157445765), (2210, 125956612), (2252, 123607510), (2815, 98886008), (4420, 62978306), (4504, 61803755), (5630, 49443004), (7319, 38033080), (8840, 31489153), (9571, 29084120), (11260, 24721502), (14638, 19016540), (19142, 14542060), (22520, 12360751), (29276, 9508270), (36595, 7606616), (38284, 7271030), (47855, 5816824), (55931, 4976920), (58552, 4754135), (73190, 3803308), (76568, 3635515), (95710, 2908412), (111862, 2488460), (124423, 2237240), (146380, 1901654), (191420, 1454206), (223724, 1244230), (248846, 1118620), (279655, 995384), (292760, 950827), (382840, 727103), (447448, 622115), (497692, 559310)]